769-3072: Soldering cans and boxes, transformer casings, heat exchangers and radiators
769-3081: Heavy duty tasks, electronic motors, radiators, large metal boxes, busbar joining
769-3078: High temperature alloys on commutators
769-3075: Transformer casings, soldering on commutators up to 2in, tin plate and metal box fabrications
769-3084: Heavy duty tasks, electronic motors, radiators, large metal boxes, busbar joining