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Common metals and their alloys; metal building materials and components, namely, soffits and small items of metal hardware, namely, hinges, screws, gussets, cleats, rollers and roller carriages for garage doors, window and door handles, end caps for tubing ends, metal locks and metal lock structural parts, namely, lock strikes and lock tips, springs, bolts, plugs and ball lock pins; metal windows, metal doors, and metal joinery fittings and structural parts therefor

Building construction; Installation and repair of windows, doors, frames, woodwork and metalwork; technical consultation in the field of joinery

Scientific research in the field of joinery; design for others in the field of joinery; industrial research in the field of windows, doors, frames, woodwork and metalwork