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TimeMotion Study and Job Standardization by H C Robson
Standard Data for Bench Coremaking by H R Williams
Developing Standard Data Tables For Core Finishing by L L Martin
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15 per cent actual air ram analysis applied average base basis bench bonus calculated casting chart chipping clamps Class classification cleaning column comparison sheet constant conveyor cope and drag coremaking coresetting cost center crane curve cycle delay determined developed direct labor downgates draw earnings elements eliminate equipment factor factor graph fatigue allowances figure fill and ram finishing flask area floor foreman formula foundry graph grinding handling helper incentive plan indirect labor cost leveling loose pieces machine measure melters ment metal method molder molding line motion study necessary normal opera operation over-all overhead pattern PEEN performance piecework plant plate plotted position pouring production recorded relaxation allowance removing risers sand shown shows specifications speed Sprues standard allowance standard data tables step strike-off supervision supervisor tical time-study tion values variable vents wage waste weight