woodworking machines; namely, lathes; tool reconditioning machines; namely, setting, shaping, planning and sharpening machines; namely, setting machines for sharpening the blade points of saws; machines for repairing carbide tip circular saw blades; machines for hardening tooth points of saw blades by high frequency currents; brazing machines for repairing damaged carbide tip teeth of a saw blade by brazing; stellite applying machines for coating tooth points of saw blades; planar knife grinding machines; saw blade guides and machine parts thereof