In case of {HEAD ~ the unusal extreme actuation} of {TAIL ~ the device} connected to port 204, the flow through port 204 momentarily ceases 
In case of { HEAD ~ the unusal extreme actuation } of { TAIL ~ the device } connected to port 204 , the flow through port 204 momentarily ceases
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH