metal doors; metal door frames; metallic frames for sliding doors; metal door handles; metal hinges for doors and windows; metal door hardware, namely, metal door knobs of common metal, metal door trim, metal door kick plates, metal door pulls, metal door handles and metal door push plates, metal door flush and surface bolts, metal door latches, metal continuous hinges; metal sliding and folding door hardware, namely, metal door locks, metal door handles in the form of levers, door stops of m...