Attaching the device to a fluid flow pipe reduces turbulence in the flow through {HEAD ~ the pipe}, allowing {TAIL ~ a more streamlined fluid exit} from the pipe 
allowing
Attaching the device to a fluid flow pipe reduces turbulence in the flow through { HEAD ~ the pipe } , allowing { TAIL ~ a more streamlined fluid exit } from the pipe
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH