WHILE OPERATING SCOOP AROUND A TURN HE HAD HIS LEFT ARM AND HAND OUTSIDE OF DECK HOLDING ONTO RUBBER STEP THAT IS MOUNTED ON DECK END OF SCOOP. WHEN EMPLOYEE PUSHED LEVER FOR SCOOP TO MAKE A R IGHT TURN, BATTERY END OF SCOOP COMES AROUND ANDHITS UP AGAINST RUBBER STOP THAT HE HAD HIS LEFT HAND ON, MASHING TIP OF MIDDLE FINGER LEFT HAND.