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.
How to repair plastic bumper covers. Learn tips on how to repair and bond plastic bumpers. I have been asked many times how to repair a plastic bumper cover. So I made this short article and kept it simple without all the fancy long plastic names that manufacturers like to use. I had the opportunity to meet Dick Jacobs, he was the founder of Duramix, the plastic adhesive repair company which was bought out by 3M a few years back.