13. Select True or False

(a) Maintenance is defined as the restoring of an item to its original condition or to working order.

(b) Preventive maintenance is maintenance which is required when an item has failed or worn-out, to bring it back to working order.

(c) The main advantage of preventive maintenance is less number of breakdown and repairs.

(d) The main objective of maintenance management is the most optimum use of maintenance equip- ment and personnel.

(e) The first step of MAPI method is to determine the present average capital cost and operating loss of the defender.