Building materials, namely, in-wall trash and recyclable containment system sold as a unit, namely, in-wall metal trash chute device for mounting and spring-loaded chute doors; Clothes hooks of metal; Column packing for distillation columns, namely, mesh wire with a multi-filament component or expanded metal intertwined with a multi-filament component, the multi-filament selected from inert polymers, catalytic polymers, catalytic metals or mixtures thereof for producing alkylate in a sulfuric acid alkylation; Common metals and their alloys including stainless steel; Door bolts of metal; Fittings of metal for furniture; Knobs of metal; Lock installation kit consisting of metal lock, screws, hinges, and a screwdriver; Metal self-aligning demountable snap fasteners consisting of press fasteners and press studs for use in attaching panels, hatches, floors and furniture in boats, motor vehicles, trains, aircraft and buildings; Pipe muffs of metal; Plugs of metal; Portable metal levees; Pre-packaged kits containing metal hardware in the nature of suspension clamps, yoke plates and connecting links and electrical protection devices in the nature of insulators, corona rings, armor-rods and surge arresters, all of which attach or connect transmission conductors to high voltage electric transmission towers; Rods of metal for brazing; Rods of metal for welding; Sash fasteners of metal for windows; Steel tubes; Water-pipes of metal