As we have seen, safety engineers can offer help at the design stage by (1) proposing (put forward) improvements that can (2) _________ (cut down) the risk of accidents. For example, when some new machinery is being designed, a safety engineer tries to find ways to (3) _________ (get rid of) any dangerous projecting parts that might hurt someone. The safety engineer tries to (4) _________ (cover up) the moving parts of a machine to minimize the chance of accidental contact with the operator. The safety engineer will also (5) _______ (make sure) that any emergency cutoff switches are within reach of the operator. As for the design of safer roads, when a new road system is being designed, safety engineers (6) ______ (look for) ways of avoiding hazards like sharp turns or blind intersections—things that have been known to cause traffic accidents.