Building panels of metal; Bump keys of metal for locksmithing; Door handles of metal; Door plates of metal; Foot-operated door openers of metal; Hardware, namely, metal brackets for general use; Knobs of metal; Latch bars of metal; Locks of metal, other than electric; Metal locksets; Runners of metal for sliding doors; Spring-loaded door closers of metal; Spring locks of metal, other than electric; Window openers and closers being metal screwjacks; Window openers and closers being metal windo...