EE WAS IN A MAN-LIFT BASKET PLACING FENCING MATERIAL FOR PILLAR FILL. HE WAS USING HIS RIGHT HAND TO OPERATE CONTROLS WHILE HANDLING FENCE WITH HIS LEFT HAND. HIS RT THUMB WAS RESTING ON TOP O F CONTROL GUARD. AS HE RAISED THE BASKET, HIS RT THUMB WAS PINCHED BETWEEN BROW OF THE BACK SEVERING MOST OF THE LAST JOINT ON RT THUMB. THE BONE FROM TIP OF THUMB WAS SURGICALLY RE-ATTACHED.