Date: | 1978 |
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Description: | A student using an engine lathe in an auto mechanics class at Indianhead Technical Institute. He is wearing safety glasses, jeans and an Ashland wrestling ... |
Date: | 12 1976 |
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Description: | A workman is welding new cleats on a "Cat" (Caterpillar excavator) at an iron mine. Smoke obscures the cab. |
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