Nails; Casements of metal; Door handles of metal; Door knockers of metal; Manually operated metal valves; Metal bolts; Metal clamps; Metal door latches; Metal hooks; Metal screws; Metal shims; Metallic drain traps; Pipes of metal; Structural joint connectors of metal; Water-pipe valves of metal

Adapter plugs; Alarm installations and alarms; Battery boxes; Cable connectors; Computer heat sinks; Electric buzzers; Fuse wire; Proximity sensors; USB cables