Scaffold apparatus and facades; scaffold towers of metal; scaffolding made of metal; metal building materials and apparatus for use in scaffolding including planks, boards, tubes, braces, collars, brackets, stairs, jacks and other materials in fabricated form

Scaffold apparatus and facades (non-metallic); scaffolding (non-metallic); prefabricated scaffolds (non-metallic); non-metallic scaffold towers and scaffold apparatus; non-metal building materials for use in scaffolding