Caught in, under or between a moving and a stationary object
Mechanic replacing screen deck, slid tension bar out & as it slid out, the opposite end of bar tipped down pinching mechanic's thumb between 2 pieces of steel (Steel bar 4"" W x 5' L & approx. 50#). Loader operator provided first aid & transported to the Fire House for ambulance transport to the Hospital. Severity of injury unknown.