SCOOP OPERATOR AND CO-WORKER WERE REPLACING THE BATTERY LIDS ON THE LONG AIRDOX 488 SCOOP AFTER SERVICING THE BATTERIES. AS THEY PLACED THE LIDS INTO POSITION CO-WORKER PUSHED THE LIDS, INJURE D'S MIDDLE & RING FINGER OF HIS LEFT HAND WERE CAUGHT BETWEEN THE LID OF THE RAISED EDGE OF THE BATTERY BOX. THIS RESULTED IN CRUSHING INJURIES TO HIS FINGERNAILS(CONTUSIONS)WHICH WERE DRAINE