Talk:Consumables/@comment-24.49.58.157-20130222161004/@comment-95.222.249.235-20130227124944

It is by how many you carry. For example, one level in Anti Tank mines gives you 2 mines. If you place the two and then go back and resupply and place two more then the first two disappear, while the most recent two remain in place. It is the same with AP mines.