{HEAD ~ A motor} advances the plates to cause them to drop singly into a pickup area, where they are picked up by a pair of {TAIL ~ magnetic arms} and swung beneath a screw gun extension 
{ HEAD ~ A motor } advances the plates to cause them to drop singly into a pickup area , where they are picked up by a pair of { TAIL ~ magnetic arms } and swung beneath a screw gun extension
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH