TWO MEN WORKING TOGETHER ON LENGTH OF PIPE, ONE ON EACH END. WHEN EE AT ONE END SCREWED IN NIPPLE INTO ""T"" PART THE PIPE SLIPPED AND EE AT ONE END'S FINGER GOT CAUGHT BETWEEN ""T"" AND VISE. EE' S FINGER HAD SKIN PULLED FROM END OF FINGER AND SMALL CHUNK TAKEN OUT. EE TAKEN TO LOCAL HEALTH CENTER FOR CHECK. BANDAGED AND GIVEN ANTIBIOTIC.