Ключевые слова:
Printed-circuit boards, Instructions for use, Angles (geometry), Conveyor belts, Equipment housing facilities, Mechanical transmission systems, Switches, Conveyors, Inspection, Balustrades, Safety measures, Mechanical testing, Signs, Safety devices, Stopping, Escalators, Velocity, Control equipment, Clearances, Hazards, Electrical installations, Pallets, Equipment safety, Hand-rails, Marking, Enclosures, Steps (stairs), Braking systems, Passenger conveyors, Lighting levels, Electrical safety, Doors, Deflection tests, Dimensions