sci.engr.joining.welding - join
Welding of materials for manufacture & repair.
High activity, 772 subscribers, Usenet

alt.machines.cnc - join
Discussing CNC Machine tools.
High activity, 1134 subscribers, Usenet

alt.crafts.blacksmithing - join
Practice and process of blacksmithing.
Low activity, 214 subscribers, Usenet

rec.woodworking - join
Hobbyists interested in woodworking.
High activity, 4000 subscribers, Usenet

rec.crafts.woodturning - join
Woodturning and turned objects.
Medium activity, 907 subscribers, Usenet

rec.knives - join
Anything that goes cut or has an edge.
Medium activity, 457 subscribers, Usenet

alt.energy.homepower - join
Home Power/Home-Made Power for Off-Grid Living.
Medium activity, 1069 subscribers, Usenet

rec.crafts.glass - join
All aspects of glassworking and glass.
Low activity, 426 subscribers, Usenet

alt.building.construction - join
Building industry construction.
Low activity, 1260 subscribers, Usenet

rec.crafts.jewelry - join
Jewelry making and gemology. (Moderated)
Low activity, 769 subscribers, Usenet