There, are assembly is placed on a conveyor 41 and {HEAD ~ the connectors} are butted against {TAIL ~ a surface} 41a for alignment 
There , are assembly is placed on a conveyor 41 and { HEAD ~ the connectors } are butted against { TAIL ~ a surface } 41a for alignment
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH