{HEAD ~ The second support apparatus} rotatably supports the electrode of the welding device in a relatively fixed relationship to the valve body and has {TAIL ~ an elongated tubular member} extending through the hole in the first support apparatus 
has
{ HEAD ~ The second support apparatus } rotatably supports the electrode of the welding device in a relatively fixed relationship to the valve body and has { TAIL ~ an elongated tubular member } extending through the hole in the first support apparatus
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH