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and/or apprenticeship or equivalent automatic blueprints Bureau of Labor candy chemical Clerks computations relating D. C. January description of class Division of Wages drawings Drill-press operators Drop-hammer operators Duties involve equivalent training establishment feed fixtures forging fork-lift formal apprenticeship furnace grinders grinding machines hand tools hand truck handlers and truckers helper Industrial Relations Washington Inspectors installing involves any combination Jig borers Labor Statistics Division lathes lay-out MACHINE-TOOL OPERATOR Machinists maintenance maker measuring instruments mechanical equipment metal objects Milling-machine operators molds multiple-spindle PETROLEUM planning and laying-out processing pumps Punch-press operators records relating to dimensions Relations Washington 25 requires a rounded Resistance welding riveting riveting machine rounded training sand set-ups shaping standard shop computations stenotype Stock handlers strength of materials STUDIES Job List tanks threading pipe tons Too1-and-die trailer type training and experience Truck driver units unloading Upsetter wage study purposes Wages and Industrial warehouse welder welding workers