ANSWER: The most common battery rating is the AMP-HOUR RATING. This is a unit of measurement for battery capacity, obtained by multiplying a current flow in amperes by the time in hours of discharge. (Example: A battery which delivers 5 amperes for 20 hours delivers 5 amperes times 20 hours, or 100 ampere-hours.)
2 â The Block. Round off an end of a block of wood to match the original shape of the inside of the bumper and place it against the dent. Tap it with the rubber mallet and check it every so often to see how the repair progresses.
In this article we are going to show you how to repair a scratched urethane plastic or fiberglass bumper cover on your own, in a fraction of the time, at a fraction of the cost. 1  Factory-matched paint in a spray can. 2  Automotive spray primer.  Automotive spray clear coat.