[Class : 20] Non Metallic Ladders, Ladders Of Wood Or Plastics Covered In Class 20.

[Class : 19] Building And Construction Materials And Elements, Not Of Metal, Doors,Gates, Windows And Window Coverings, Not Of Metal, Structures And Transportablebuildings, Not Of Metal, Non Metallic Ramps For Use With Scaffolding, Scaffolding Ofwood, Work Platforms [Scaffold Towers], Not Of Metal, Movable Nonmetallic Framedstage Platform Units, Hazard Warning Barriers [Non ...