CUTTING HAND RAILS OFF IMPACT STAND, FELL THORUGH OPENING WHERE IMPACT SITTING. CUT LEFT ELBOW AND RIGHT KNEE. RIGHT KNEE SWELLED UP FRI. NIGHT SAID HE DID NOT NEED TO GO TO DR WOULD GO IF IT STARTED BOTHERING HIM. HE WAS LET GO 9-19 STILL IN PROBATIONARY/TRAIL PERIOD. HE THEN DECIDED HE NEEDED TO SEE A DR.