WHAT DOES ATM288 MEAN?

Obtained 2002 Honda Accord rear doorway handle destroyed in shipping and delivery, but within a well timed fashion. The trouble was just how this item was packaged. It had been just in a very plastic bag, so Anytime it had been dropped in delivery, or something large was tossed on it, it broke the painted corner off.A: Boyle' law : At continuous te