- Automobile Mechanics
- Boilermakers
- Bulldozer Operators
- Carpenters
- Car Shop Workers
- Chemical Technicians
- Drill Press Operatives
- Electric Power
Linemen & Cable Men
- Electrical and
Electronic Engineers
- Electricians
- Excavating Machine
Operators
- Filers, Polishers,
Sanders, Buffers
- Forge Men and
Hammer Men
- Freight and Material
handlers
- Furnace Men,
Smelter-Men & Pourers
- Garage Workers and
Gas Station Attendants
- Heat Treaters,
Annealers & Temperers
- Heavy Equipment Mechanics
- Industrial Engineer
- Industrial Plant Workers
- Insulators
- Iron Workers
- Laborers
- Locomotive Engineers
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- Machinists
- Maintenance Workers
- Mechanics & Repairmen;
Aircraft
- Motormen; Mine, Factory,
Logging Camp
- Officers, Pilots and
Pursers; Ship
- Oil Refinery Workers
- Painters, Construction
and Maintenance
- Pipe Fitters
- Plumbers
- Power Plant Workers
- Railroad Workers
- Road Machine Operators
- Roofers and Slaters
- Sailors and Deckhands
- Sheetmetal Workers
- Shipyard Workers
- Steamfitters
- Structural Metal
Craftsmen
- Technicians
- Telephone Installers
and Repairmen
- Welders and Flame-cutters
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