How often must energy control procedures be inspected?

If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

Wiy doeres rere okhn a pump whon working betwon the same pressure range?