Specifies methods for determining the metabolic rate, but can also be used for other applications, e.g. for the assessment of working practices, the cost of specific jobs or sport activities, the total cost of activity, etc. Annexes A to G contain: classification of metabolic rate for kinds of activities, classification of metabolic rate by occupation, data for standard person, metabolic rate for body posture, type of work and body motion related to work speed, metabolic rate for typical activities, example of calculation of the average metabolic rate for a work cycle, examples of calculation of the metabolic rate based on measured data.