{HEAD ~ This conveyor} then moves {TAIL ~ the assembly} in just one direction such that the joints of the solder mounds, I/O pads, and leads sequentially pass through a target area 42 for a stream of hot gas 43 which is focused onto the target area by a nozzle 44 
moves
{ HEAD ~ This conveyor } then moves { TAIL ~ the assembly } in just one direction such that the joints of the solder mounds , I / O pads , and leads sequentially pass through a target area 42 for a stream of hot gas 43 which is focused onto the target area by a nozzle 44
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH