Method of soldering {HEAD ~ joints} by moving them through {TAIL ~ a target area} on which a stream of hot gas is focused 
Method of soldering { HEAD ~ joints } by moving them through { TAIL ~ a target area } on which a stream of hot gas is focused
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH