{HEAD ~ A fluid control system} for controlling the flow of nitrous oxide and oxygen is attached to {TAIL ~ the mounting surface structure} 
is attached to
{ HEAD ~ A fluid control system } for controlling the flow of nitrous oxide and oxygen is attached to { TAIL ~ the mounting surface structure }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL