More specifically, it relates to {HEAD ~ a welding machine} that senses one or more conditions of a welding job and automatically sets {TAIL ~ operating parameters} 
automatically sets
More specifically , it relates to { HEAD ~ a welding machine } that senses one or more conditions of a welding job and automatically sets { TAIL ~ operating parameters }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL