Aluminum foil; Aluminum foil paper; Containers of metal for compressed gas or liquid air; Fittings of metal for flexible pipes; Metal adapters for use with hydraulic and pneumatic systems; Metal couplings for use with hydraulic and pneumatic systems; Metal pipe fittings for compressed air pipes; Metal thread adapters for use with hydraulic and pneumatic systems; Pre-packaged kits containing metal hardware in the nature of suspension clamps, yoke plates and connecting links and electrical prot...