temps (durée) (1) gaz (1) dépense (1) énergie (1) élasticité (1) adulte (1) Drama (1) Work (1) Value (1) Time (1) Tendons (1) Storage (1) Series (1) Power resources (1) Power (Mechanics) (1) Muscles (1) Muscle contraction (1) Mechanical efficiency (1) Mass (1) Manufacturers' agents (1) Human beings (1) Heat (1) Gas (1) Force and energy (1) Energy metabolism (1) Elasticity (1) Drama (1) Commission merchants (1) Biomechanics (1) Elastic properties (1)