Inventor Develops Intrinsically Safe Calculator for Bending Conduit

February 8, 2018

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PITTSBURGH, Feb. 8, 2018 /PRNewswire/ — “Cell phones send off electrical charges that can cause explosions in hazardous areas,” said an inventor from S. Houston, Texas. “Phones also can cause frequency interference towards equipment or instruments in the field or refinery unit, causing…

Category: Precious Metals