| Descriptors |
Staging, Portable, Rigidity, Ladders, Safety measures, Magnesium-containing alloys, Aluminium alloys, Torsion testing, Ropes, Steps (stairs), Adjustment, Manganese-containing alloys, Maintenance, Medium-duty, Industrial, Designations, Deflection tests, Marking, Mechanical properties of materials, Domestic, Trestles, Mechanical testing, Bend testing, Testing conditions, Dimensions, Straightness measurement, Chemical composition
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