Aluminum alloys; Bells for animals; Door bells of metal, non-electric; Door locks of metal; Doors and windows of metal; Gate handles of metal; Handrails of metal; Ladders of metal; Metal bells; Metal bolts; Metal brads; Metal fences; Metal hooks; Metal locksets; Metal nuts; Metal screws; Metal tool boxes; Metal window shutters; Pipe tubes of metal; Poles of metal

computer interface card; keyboard adapter; utility program disk