Soldering Or Unsoldering; Welding; Cladding Or Plating By Soldering Or Welding; Cutting By Applying Heat Locally, E.g. Flame Cutting; Working By Laser Beam
F16B
Devices For Fastening Or Securing Constructional Elements Or Machine Parts Together, E.g. Nails, Bolts, Circlips, Clamps, Clips, Wedges, Joints Or Jointing
B25C
Hand-held Nailing Or Stapling Tools; Manually Operated Portable Stapling Tools
Y10T
Technical Subjects Covered By Former Us Classification
H05B
Electric Heating; Electric Light Sources Not Otherwise Provided For; Circuit Arrangements For Electric Light Sources, In General