V notch valves are {HEAD ~ well known commercial items} which are available from {TAIL ~ Fisher Controls} in Marshalltown, Iowa 
V notch valves are { HEAD ~ well known commercial items } which are available from { TAIL ~ Fisher Controls } in Marshalltown , Iowa
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH