Defines the safety requirements in addressing the following items: - controls; - protection against: - mechanical hazards, movement of machines and material, ejection of parts, material, liquids and gases, implosion, structural instability; - electric hazards; - explosion, fire, scalds, contact with hot parts (burns), gases and flames; - noise and vibration; - thermal radiation; - harmful by-products, poisoning, pollution of operators air; - impact; - deterioration of worker's health; - shearing; - crushing; - maintenance, provision for warning systems.