Question

Technician A says that to prevent the machine from starting by accident when you're working on it, disconnect the ignition system before starting work. Technician B says that one of the most important parts of any safety-and-accident-prevention program is good housekeeping. Who is correct? A. Both Technicians A and B B. Neither Technician A nor B C. Technician B only D. Technician A only

Answer 1

 answer A. both technicians.

Answer 2

Both are correct, at least as far as I know. As to whether good housekeeping is the definite most important is a matter of opinion