Descriptors | Floors, Gangways (buildings), Steps (stairs), Treads (stairs), Flights (stairs), Dimensions, Clearances, Dimensional tolerances, Performance, Loading, Instructions for use, Mechanical testing, Factor of safety, Industrial facilities, Sheet materials, Steels, Aluminium alloys, Plastics, Glass fibres, Reinforced materials, Installation, Marking, Instructions for use, Fixing, Corrosion protection, Performance testing, Mechanical testing, Deflection tests |