The present invention is directed to applications where {HEAD ~ products} such as printed circuit boards are moved from station to {TAIL ~ station} during a manufacturing process 
are moved to
The present invention is directed to applications where { HEAD ~ products } such as printed circuit boards are moved from station to { TAIL ~ station } during a manufacturing process
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH