This permits {HEAD ~ an effective transmission} of heat into {TAIL ~ the hose} and the tempering device 
into
This permits { HEAD ~ an effective transmission } of heat into { TAIL ~ the hose } and the tempering device
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH