A supply of {TAIL ~ material} connected to {HEAD ~ the deposition} means preferrably provides material to the deposition means 
A supply of { TAIL ~ material } connected to { HEAD ~ the deposition } means preferrably provides material to the deposition means
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH