Heartily tightening nuts and bolts, working under a car on a lift, an auto mechanic's wrench slips. Suddenly, he feels a sharp pain in his eye and begins gushing tears.
A woodworker finishes the table leg he's just cut and turns, lifting his goggles to go eat lunch. His co-worker is starting to cut the tabletop. Suddenly he can't see and shouts, "something hit my eye!"