Buckles of common metal; Custom engraved metal medical information identification cards, tags, bracelets and necklaces, not magnetically encoded and not to function as jewelry; Handcuffs; Latch bars of metal; Metal door hardware, namely, keys and key cylinders; Metal gaskets for use in industrial machinery; Metal hardware, namely, springs; Metal locks; Metal mandrels, not being parts of machines; Metal pipes; Non-electric metal door bells; Safes