A welding supervisor notices that a crew's operating factor (arc-on time as a percentage of paid time) is 18%. What is the most effective first step to improve it?
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A
Increase the welding current on all procedures
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B
Replace the welders with more experienced personnel
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C
Study and eliminate non-welding delays such as waiting for material, fit-up, and consumables
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D
Switch all work to a higher-deposition process immediately