This retreat is based on the teachings on Inner Fire or Tummo in the Tantric meditation manual ‘Clear Light of Bliss.’ In this book, Geshe Kelsang Gyatso reveals the profound practices of the ancient yogis and yoginis and makes their blissful experience accessible to the modern world.
Give a compliment to your career and take it to the next level. This HVAC, Fire Safety & First Aid will provide you with the essential knowledge and skills required to shine in your professional career. Whether you want to develop skills for your next job or want to elevate skills for your next promotion, this HVAC, Fire Safety & First Aid will help you keep ahead of the pack. The HVAC, Fire Safety & First Aid incorporates basic to advanced level skills to shed some light on your way and boost your career. Hence, you can reinforce your professional skills and knowledge, reaching out to the level of expertise required for your position. Further, this HVAC, Fire Safety & First Aid will add extra value to your resume to stand out to potential employers. Throughout the programme, it stresses how to improve your competency as a person in your profession while at the same time it outlines essential career insights in this job sector. Consequently, you'll strengthen your knowledge and skills; on the other hand, see a clearer picture of your career growth in future. By the end of the HVAC, Fire Safety & First Aid, you can equip yourself with the essentials to keep you afloat into the competition. Along with thiscourse, you will get 10 other premium courses. Also, you will get an original Hardcopy and PDF certificate for the title course and a student ID card absolutely free. This Bundle Consists of the following Premium courses: Course 01: Level 3 Heating, Ventilation & Air Conditioning (HVAC) Technician Course 02: Electricity & Circuit Analysis Level 3 Course 03: PAT Level 4 Course 04: Electric Power Metering for Single and Three Phase Systems Course 05: Energy Saving in Electric Motors Course 06: Electrical and Fire Safety Training - Level 2 Course 07: Digital Electric Circuits & Intelligent Electrical Devices Course 08: Fall Prevention During Working at Height Course 09: Manual Handling Level 2 Course 10: Emergency First Aid and Incident Management at Work Course 11: Time Management As one of the top course providers in the UK, we're committed to providing you with the best educational experience possible. Our industry experts have designed the HVAC, Fire Safety & First Aid to empower you to learn all at once with accuracy. You can take the course at your own pace - anytime, from anywhere. So, enrol now to advance your career! Benefits you'll get choosing Apex Learning for this HVAC, Fire Safety & First Aid: One payment, but lifetime access to 11 CPD courses Certificate, student ID for the title course included in a one-time fee Full tutor support available from Monday to Friday Free up your time - don't waste time and money travelling for classes Accessible, informative modules taught by expert instructors Get 24/7 help or advice from our email and live chat teams Learn at your ease - anytime, from anywhere Study the course from your computer, tablet or mobile device CPD accredited course - improve the chance of gaining professional skills How will I get my Certificate? After successfully completing the course you will be able to order your CPD Accredited Certificates (PDF + Hard Copy) as proof of your achievement. PDF Certificates: Free (Previously it was £10*11= £110) Hard Copy Certificates: Free (Previously it was £20*11= £220) Curriculum of the Bundle Course 01: Level 3 Heating, Ventilation & Air Conditioning Technician Module 01: Introduction to Heating, Ventilation & Air Conditioning Module 02: Heating Fundamentals and Psychrometrics Module 03: HVAC Systems Module 04: Heating and Ventilation Module 05: Air Conditioning Systems for HVAC Technicians Module 06: Compressors, Water Chillers, and Fans Module 07: Piping for HVAC Technician Module 08: Duct System in HVAC Module 09: Refrigeration and Refrigerants Module 10: Special Applications Module 11: HVAC System Selection Module 12: Safety in the HVAC Industry Course 02: Electricity & Circuit Analysis Level 3 Ch - 00 Intro Basic Electricity Ch - 01 The Nature of Electricity Ch - 02 Conductors & Insulators Ch - 03 Current and Electric Circuits Ch - 04 Ohm's Law Ch - 05 Electric Power Ch - 06 Series & Parallel Circuits Ch - 07 Circuit Theorems Ch - 08 Electric Fields and Capacitance Ch - 09 Magnetism and Inductance Ch - 10 Transient Response Capacitors & Inductors Course 03: PAT Level 4 Module 01: Introduction to PAT Module 02: Relevant Statutory Provisions for PAT Module 03: Risk Assessment Module 04: Reducing and Controlling Risks Module 05: Electrical Units and Appliance Classification Module 06: Initial Visual Examination Module 07: Instruments for Testing and Equipment Inspection Module 08: Electrical Installation Testing Module 09: Safety Precautions in Electrical Testing Module 10: Reporting and Record-keeping Course 04: Electric Power Metering for Single and Three Phase Systems Module 01: Basic Metering Introduction Module 02: Power & Energy Module 03: AC Power Module 04: Instrumentation Module 05: Single Phase Metering Module 06: Instrument Transformers Module 07: Three Phase Metering Module 08: Cross Wattmeter Verification Course 05: Energy Saving in Electric Motors Module 01: Introduction Module 02: Classification Module 03: Terminologies Module 04: Losses Module 05: Energy saving in motors part I Module 06: Energy saving in motors part II Module 07: Energy saving in motors Part III Module 08: Energy saving in motors part IV Module 09: Energy saving in motors part V Module 10: Energy Efficient Motor Course 06: Electrical and Fire Safety Training - Level 2 Module 01: Introduction and Basics Module 02: Introduction to Fire Safety Module 03: Voltage and Resistance Module 04: Capacitance and Capacitors Module 05: Safety Precautions Module 06: Fire Safety Legislation And Much More..... Course 07: Digital Electric Circuits & Intelligent Electrical Devices Module 01: Introduction Module 02: Numbering Systems Module 03: Binary Arithmetic Module 04: Logic Gates Module 05: Flip-Flops Module 06: Counters & Shift Registers Module 07: Adders Course 08: Fall Prevention During Working at Height Fall Prevention During Working at Height Module 01: Introduction, Regulations and Duties Module 02: Risk Assessment and Prevention Module 03: Work at Height Equipment Course 09: Manual Handling Level 2 Introduction, Legislation and Guidance Manual Handling Hazards and Injuries Manual Handling Risk Assessments Controlling and Reducing the Risks Safe Lifting Techniques Course 10: Emergency First Aid and Incident Management at Work Introduction Legal Framework for Workplace First Aid Incident Management at Work Primary Survey Secondary Survey Basic First-Aid Techniques Dealing with Minor Injuries at the Workplace Secondary Illness Loss of Responsiveness and CPR Secondary Illness Breathing Problems Secondary Illnesses and Injuries Dealing With Fractures and Dislocations Call for an Emergency Course 11: Time Management Identifying Goals Effective Energy Distribution Working with Your Personal Style Building Your Toolbox Establishing Your Action Plan CPD 110 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Anyone from any background can enrol in thisbundle. Persons with similar professions can also refresh or strengthen their skills by enrolling in this course. Students can take this course to gather professional knowledge besides their study or for the future. Requirements Our HVAC, Fire Safety & First Aidis fully compatible with PC's, Mac's, Laptop, Tablet and Smartphone devices. This course has been designed to be fully compatible with tablets and smartphones so you can access your course on Wi-Fi, 3G or 4G. There is no time limit for completing this course, it can be studied in your own time at your own pace. Career path Having these various expertise will increase the value in your CV and open you up to multiple job sectors. Certificates Certificate of completion Digital certificate - Included
The Health and Safety (First Aid) Regulations 1981 require all employers to make arrangements to ensure their employees receive immediate attention if they are injured or taken ill at work. This includes carrying out a risk assessment, appointing a suitable amount of first aiders and providing adequate first aid equipment and approved first aid training to the appointed first aider.
Certificate in Fire Safety Training will assist you in producing the best possible outcome by mastering the skills. Those who want to succeed must enrol in the course Certificate in Fire Safety Training. By completing this course, you will acquire the skills required to become an expert in a comparable field. The basics of our Certificate in Fire Safety Training course are covered first, and then we move on to more advanced material. The lessons in this Certificate in Fire Safety Training course are therefore clear and easy to understand. Courses you'll get: Course 01: Certificate in Fire Safety Training Course 02: Fire Extinguisher Technician Course 03: Basic Life Support (CSTF): Anaphylaxis Course 04: Oxygen First Aid Training Course 05: CPR (Cardiopulmonary Resuscitation) Training Course 06: Health & Safety: First Aid Certificate in Fire Safety Training Course Basic Learning Outcomes: After completing this highly appreciated Certificate in Fire Safety Training course, you'll be a competent expert, besides- You can give assistance related to the Certificate in Fire Safety Training with complete knowledge and confidence. You'll be competent and proficient enough to explore Certificate in Fire Safety Training related job fields on your own. Furthermore, you can train up others and grow an efficient peer community in your locality and serve people. It will enhance your portfolio, you can use the certificate as proof of your efficiency to the employer. It will boost up your productivity, you can use the skill and credentials, and become more competent in your vocation with increased earning Key Highlights of Certificate in Fire Safety Training Course: CPD Accredited Course Unlimited Retake Exam & Tutor Support Easy Accessibility to the Course Materials 100% Learning Satisfaction Guarantee Lifetime Access & 24/7 Support Self-paced Course Modules Certificate in Fire Safety Training Module 01: Introduction to Fire Safety Module 02: Fire Safety Legislation Module 03: Measures of Fire Safety Module 04: Fire Emergency Evacuation Procedures Certification: CPD Accredited (CPD QS) Certificate Digital (PDF) & Hard Copy certificates are available CPD 60 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Anyone from any background can enrol in this Certificate in Fire Safety Training course. This course particularly recommended for- Students Recent graduates Job Seekers Anyone interested in this topic People already working in the relevant fields and want to polish their knowledge and skill. Requirements Students seeking to enrol for Certificate in Fire Safety Training course should meet the following requirements; Basic knowledge of English Language Be age 16 years or above Basic Knowledge of Information & Communication Technologies for studying online or digital platforms. Stable Internet or Data connection in your learning devices. Career path After completing this course, you can explore trendy and in-demand jobs related to Certificate in Fire Safety Training. Fire Surveyor Fire Alarm Engineer Firefighter Fire Risk Assessor Fire Safety Consultant Fire Advisor Fire Engineer Fire Marshal Fire Stopper Certificates Certificate of completion Digital certificate - Included After successfully completing this course, you can get CPD accredited digital PDF certificate for free. Certificate of completion Hard copy certificate - £9.99 After successfully completing this course, you can get CPD accredited hardcopy certificate for free. The delivery charge of the hardcopy certificate inside the UK is £3.99 and international students need to pay £9.99 to get their hardcopy certificate.
Fire Safety Awareness for Teaching Assistants is yet another 'Teacher's Choice' course from Teachers Training for a complete understanding of the fundamental topics. You are also entitled to exclusive tutor support and a professional CPD-accredited certificate in addition to the special discounted price for a limited time. Just like all our courses, this Fire Safety Awareness for Teaching Assistants and its curriculum have also been designed by expert teachers so that teachers of tomorrow can learn from the best and equip themselves with all the necessary skills. Consisting of several modules, the course teaches you everything you need to succeed in this profession. The course can be studied part-time. You can become accredited within 2 hours studying at your own pace. Your qualification will be recognised and can be checked for validity on our dedicated website. . Why Choose Teachers Training Some of our features are: This is a dedicated website for teaching 24/7 tutor support Interactive Content Affordable price Courses accredited by the UK's top awarding bodies 100% online Flexible deadline Entry Requirements No formal entry requirements. You need to have: Passion for learning A good understanding of the English language numeracy and IT Desire for entrepreneurship over the age of 16. Assessment The assessment is straightforward, you need to complete the assignment questions that will be provided to you at the end of the course, you can complete the assignment anytime you want. After you complete and submit your assignment, our tutors will assess your assignment and give you feedback if needed. After your assignment has been assessed and you have passed, you will be qualified and will be able to apply for a course completion certificate. Certification CPD Certification from The Teachers Training Successfully completing the MCQ exam of this course qualifies you for a CPD-accredited certificate from The Teachers Training. You will be eligible for both PDF copy and hard copy of the certificate to showcase your achievement however you wish. You can get your digital certificate (PDF) for £4.99 only Hard copy certificates are also available, and you can get one for only £10.99 You can get both PDF and Hard copy certificates for just £12.99! The certificate will add significant weight to your CV and will give you a competitive advantage when applying for jobs. Module 01: Introduction to Fire Safety Module 01: Introduction to Fire Safety 00:33:00 Module 02: Fire Safety Legislation Module 02: Fire Safety Legislation 00:36:00 Module 03: Measures of Fire Safety Module 03: Measures of Fire Safety 00:40:00 Module 04: Fire Emergency: Evacuation Procedures Module 04: Fire Emergency Evacuation Procedures 00:15:00
Register on the Fire and Rescue Services Training Coordinator today and build the experience, skills and knowledge you need to enhance your professional development and work towards your dream job. Study this course through online learning and take the first steps towards a long-term career. The course consists of a number of easy to digest, in-depth modules, designed to provide you with a detailed, expert level of knowledge. Learn through a mixture of instructional video lessons and online study materials. Receive online tutor support as you study the course, to ensure you are supported every step of the way. Get a digital certificate as proof of your course completion. The Fire and Rescue Services Training Coordinator is incredibly great value and allows you to study at your own pace. Access the course modules from any internet-enabled device, including computers, tablet, and smartphones. The course is designed to increase your employability and equip you with everything you need to be a success. Enrol on the now and start learning instantly! What You Get With The Fire and Rescue Services Training Coordinator Receive a e-certificate upon successful completion of the course Get taught by experienced, professional instructors Study at a time and pace that suits your learning style Get instant feedback on assessments 24/7 help and advice via email or live chat Get full tutor support on weekdays (Monday to Friday) Course Design The course is delivered through our online learning platform, accessible through any internet-connected device. There are no formal deadlines or teaching schedules, meaning you are free to study the course at your own pace. You are taught through a combination of Video lessons Online study materials Certification After the successful completion of the final assessment, you will receive a CPD-accredited certificate of achievement. The PDF certificate is for £9.99, and it will be sent to you immediately after through e-mail. You can get the hard copy for £15.99, which will reach your doorsteps by post. Who Is This Course For: The course is ideal for those who already work in this sector or are an aspiring professional. This course is designed to enhance your expertise and boost your CV. Learn key skills and gain a professional qualification to prove your newly-acquired knowledge. Requirements: The online training is open to all students and has no formal entry requirements. To study the Fire and Rescue Services Training Coordinator, all your need is a passion for learning, a good understanding of English, numeracy, and IT skills. You must also be over the age of 16. Course Content Module 01: Introduction to Firefighter Introduction to Firefighter 00:13:00 Module 02: Fire Safety Legislation Fire Safety Legislation 00:24:00 Module 03: Understanding Fire Understanding Fire 00:25:00 Module 04: Fire Risk Assessment Fire Risk Assessment 00:30:00 Module 05: Fire Safety Arrangements Fire Safety Arrangements 00:30:00 Module 06: Evacuation & Safety Evacuation & Safety 00:18:00 Module 07: Fire Extinguishers Fire Extinguishers 00:17:00 Module 08: Emergency First Aid at Work Emergency First Aid at Work 00:13:00 Frequently Asked Questions Are there any prerequisites for taking the course? There are no specific prerequisites for this course, nor are there any formal entry requirements. All you need is an internet connection, a good understanding of English and a passion for learning for this course. Can I access the course at any time, or is there a set schedule? You have the flexibility to access the course at any time that suits your schedule. Our courses are self-paced, allowing you to study at your own pace and convenience. How long will I have access to the course? For this course, you will have access to the course materials for 1 year only. This means you can review the content as often as you like within the year, even after you've completed the course. However, if you buy Lifetime Access for the course, you will be able to access the course for a lifetime. Is there a certificate of completion provided after completing the course? Yes, upon successfully completing the course, you will receive a certificate of completion. This certificate can be a valuable addition to your professional portfolio and can be shared on your various social networks. Can I switch courses or get a refund if I'm not satisfied with the course? We want you to have a positive learning experience. If you're not satisfied with the course, you can request a course transfer or refund within 14 days of the initial purchase. How do I track my progress in the course? Our platform provides tracking tools and progress indicators for each course. You can monitor your progress, completed lessons, and assessments through your learner dashboard for the course. What if I have technical issues or difficulties with the course? If you encounter technical issues or content-related difficulties with the course, our support team is available to assist you. You can reach out to them for prompt resolution.
The Roasting Foundation course gives the learner an understanding of the roasting process, including the physical changes that take place during the process and how to control sensory aspects of the coffee by roasting light or dark. Learners will also gain an understanding of the basic structure of the roasting machine, general maintenance, and fire prevention. Practical learning objectives and activities prepare the learner to follow instructions, given by the trainer, for three different roasts and record relevant data and observations per roast using a suitable roast log. A written exam tests theoretical knowledge based on Foundation course learning objectives.
Boost Your Career with Apex Learning and Get Noticed By Recruiters in this Hiring Season! Get Hard Copy + PDF Certificates + Transcript + Student ID Card worth £160 as a Gift - Enrol Now Give a compliment to your career and take it to the next level. This Domestic Gas, COSHH and Fire Safety bundle will provide you with the essential knowledge to shine in your professional career. Whether you want to develop skills for your next job or elevate your skills for your next promotion, this Payroll, Employment Law & Business Administration bundle will help you stay ahead of the pack. Throughout the Domestic Gas, COSHH and Fire Safety programme, it stresses how to improve your competency as a person in your chosen field while also outlining essential career insights in the relevant job sector. Along with this Domestic Gas, COSHH and Fire Safety course, you will get 10 premium courses, an originalhardcopy, 11 PDF certificates (Main Course + Additional Courses) Student ID card as gifts. This Domestic Gas, COSHH and Fire Safety Bundle Consists of the following Premium courses: Course 01: Level 2 Domestic Gas Course Course 02: Overview of Oil and Gas Industry Course 03: Oil & Gas : Markets Trading Pricing & Economic Framework Level 2 Course 04: Oil and Gas Management Course 05: Diploma in Domestic Appliances Repairing Course 06: Cleaning Course Level 5 Course 07: Electrical Engineering DC Circuit Analysis Course 08: COSHH Training and Safety - Level 2 Course 09: Electrical and Fire Safety Training - Level 2 Course 10: Working in Confined Spaces Course 11: First Aid Training Enrol now in Domestic Gas, COSHH and Fire Safety to advance your career, and use the premium study materials from Apex Learning. Benefits you'll get choosing Apex Learning for this Domestic Gas, COSHH and Fire Safety: One payment, but lifetime access to 11 CPD courses Certificate, student ID for the title course included in a one-time fee Full tutor support available from Monday to Friday Free up your time - don't waste time and money travelling for classes Accessible, informative modules taught by expert instructors Get 24/7 help or advice from our email and live chat teams Learn at your ease - anytime, from anywhere Study the course from your computer, tablet or mobile device CPD accredited course - improve the chance of gaining professional skills Certificate: PDF Certificate: Free (Previously it was £6*11 = £66) Hard Copy Certificate: Free (For The Title Course: Previously it was £10) Curriculum of Bundle Course 01: Level 2 Domestic Gas Course Module 01: Gas Legislation Module 02: Gas Safety Regulations Module 03: The Gas Safety (Installation and Use) Regulations 1998 Module 04: Overview of Gas Module 05: Combustion Module 6: Flues Module 07: Ventilation Module 08: Testing and Purging Module 09: Unsafe Situations Module 10: Commissioning and Servicing Of Gas Module 11: Gas Fires Space Heaters, Open Flud Gas Fires Fan Flued, Room Sealed Heaters and Space Heaters Module 12: Domestic Gas Cookers Module 13: Gas Water Heaters Module 14: Domestic Gas Boilers Module 15: Pipework Installation Module 16: LPG Supply and Installation Module 17: Electrical Work on Gas Appliances Course 02: Overview of Oil and Gas Industry Unit 01: About the Course Unit 02: Oil in Our Economic Life Unit 03: The Characteristics of the Oil Industry Unit 04: A Brief History of the Oil Industry and Petroleum Refining Unit 05: Energy, Oil and Economic Development Unit 06: Energy Consumption Forecast Unit 07: Energy Resources Unit 08: Production of Oil and Gas Unit 09: The Players of the Oil Scene Unit 10: Investments Unit 11: Profitability Unit 12: Conclusion Course 03: Oil & Gas : Markets Trading Pricing & Economic Framework Level 2 Section 01: Crude Oil: A Unique Raw Material Section 02: International Oil Trade Section 03: Prices on the Oil Markets Section 04: Trading On the Oil Markets Section 05: The Spot Markets Section 06: Spot Crude Oil Prices Section 07: Petroleum Products Price Setting Mechanism Section 08: The Physical Futures Markets Section 09: The Financial Futures Markets Section 10: Derivative Products: Swaps and Options Section 11: Course Conclusion Course 04: Oil and Gas Management Module 01: Introduction to Oil and Gas Management Module 02: Energy, Economics and Finance in Oil and Gas Module 03: Oil and Gas Project Management Module 04: Managing Oil and Gas Pipelines Module 05: Project Risk Analysis Module 06: Managing Communication and Conflict Module 07: Oil and Gas Health and Safety Course 05: Diploma in Domestic Appliances Repairing Module 01: Introduction to Domestic Appliances Module 02: Repairing a Refrigerator Module 03: Repairing an Air Conditioner Module 04: Repairing a Washing Machine Module 05: Repairing a Coffee Maker Module 06: Repairing a Dishwasher Module 07: Repairing a Vacuum Cleaner Module 08: Repairing a Water Heater Module 09: Repairing a Television Module 10: Repairing Electrical Wiring Module 11: Repairing Cooking Appliances Module 12: Repairing a Cloth Dryer Module 13: Safety Precautions during Repairing Appliances Course 06: Cleaning Course Level 5 Module 01: An Introduction to the Cleaning Job Module 02: The Diversity of Cleaning Jobs Module 03: Cleaning Equipment, Products and Clothing Module 04: House Cleaning Module 05: Food Kitchen and Commercial Kitchen Cleaning Module 06: Bathrooms and Toilets Module 07: Office Cleaning Module 08: Cleaning External Surfaces and Areas Module 09: Dealing with Non-Routine Waste Module 10: Chemical Safety, Keyholding and Alarm Codes for Cleaners Module 11: Starting a Cleaning Business and Planning for it Module 12: Running the Business with Quality Service Module 13: Customer Satisfaction Module 14: Management of Staff Module 15 Marketing, Advertising and Sales Module 16: Expansion Management Module 17: Business Insurance, Tax and Additional Equipment Course 07: Electrical Engineering DC Circuit Analysis Module 01: Course Introduction Module 02: Introduction to Electrical Engineering Module 03: Circuit Analysis Introduction Module 04: Circuit Analysis Techniques Module 05: Ohm's Law Module 06: Kirchhoff Current Law Module 07: Kirchhoff Voltage Law Module 08: Nodal Analysis Module 09: Mesh Analysis Module 10: Importance of Circuit Analysis Course 08: COSHH Training and Safety - Level 2 COSHH Explained COSHH Regulations Health Problems Related to Hazardous Substances Identifying Hazardous Substances COSHH Risk Assessments Control Measures and Monitoring Implementing Control Measures Course 09: Electrical and Fire Safety Training - Level 2 Module 01: Introduction and Basics Module 02: Introduction to Fire Safety Module 03: Voltage and Resistance Module 04: Capacitance and Capacitors Module 05: Safety Precautions Module 06: Fire Safety Legislation Module 07: Measures of Fire Safety Module 08: Fire Emergency: Evacuation Procedures Course 10: Working in Confined Spaces Module 01: Working in Confined Spaces and the Laws Module 02: Risk Assessment Module 03: Control Measures Module 04: Emergency Procedures Course 11: First Aid Training Introduction to Workplace First Aid Legal Framework for Workplace First Aid Incident Management at Work Primary Survey Secondary Survey Basic First-Aid Techniques Dealing with Minor Injuries at the Workplace Secondary Illness Loss of Responsiveness and CPR Secondary Illness Breathing Problems Secondary Illnesses and Injuries Dealing With Fractures and Dislocations Call for an Emergency CPD 110 CPD hours / points Accredited by CPD Quality Standards Who is this course for? Anyone from any background can enrol in this Domestic Gas, COSHH and Fire Safety bundle. Requirements This Domestic Gas, COSHH and Fire Safety course has been designed to be fully compatible with tablets and smartphones. Career path Having this expertise will increase the value of your CV and open you up to multiple job sectors. Certificates Certificate of completion Digital certificate - Included Certificate of completion Hard copy certificate - Included You will get the Hard Copy certificate for the title course (Level 2 Domestic Gas Course) absolutely Free! Other Hard Copy certificates are available for £10 each. Please Note: The delivery charge inside the UK is £3.99, and the international students must pay a £9.99 shipping cost.