19 Building and constructional material; non-metallic rails and rail connectors; non-metallic temporary structures; non-metallic components for railing systems; anchor blocks, namely, non-metal based weights; balustrading; perimeter protection barriers; mainly non-metallic freestanding demarcation systems; safety scaffolding not of metal; access platforms, not of metal; non-metal frames for supporting work and access platforms; non-metal work towers; mobile aerial work platforms; ladders; ladder braces and supports against slippage, ladder stabilisers, ladder spurs; safety frames for walking at elevated height; Articles of non-metal for avoiding and arresting the fall of persons from heights, namely, anchors, anchor points; anchor weights and anchoring systems consisting of anchors, anchor points and anchor weights; fixing, fastening, clamping and anchoring devices, namely, non-metal threaded fasteners, anchors, clamps, clips, bolts; hooks, brackets, ladder ties, eye bolts, anchor weights, base plates; fixed pedestals; mobile pedestals; perimeter protection systems consisting primarily of non-metal tubing, tube connectors and tube fittings, railings; non-metal tubing; non-metal pipes; non-metal pipe connectors; non-metal tube and pipe fittings; non-metal safety rails, non-metal railings, non-metal guard barriers, non-metal guard barriers for walkways; non-metal safety barriers for walkways and hazardous areas; non-metal guard rails; non-metal handrails; non-metal stair treads; non-metal walkways; non-metal gratings, non-metal ramps; all of the aforesaid goods made of non-metal materials