6 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 door hinges; metal sliding and folding door hardware, namely, metal door locks, metal door handles in the form of levers, door stops of metal and metal door guides; metal door push bar and pull bars in the nature of metal door handles and knobs; metal door protection bars and plates; metal door knockers; door operators, namely, metal mechanical foot-operated door openers, spring-loaded door closers of metal and door holders being door stops of metal; door access control systems and operators, namely, metal mechanical hand-operated door openers of metal, metal door locks and spring-loaded door closers of metal consisting of metal door latches and locks, and metal door hardware, namely, cross bar, push bar, push plate, push and pull bar, or push and pull handle operators that secure doors and allow for ingress and egress to facilities