It is possible to provide the required filling device of the reservoirs on {HEAD ~ each} of {TAIL ~ reservoirs} 
of
It is possible to provide the required filling device of the reservoirs on { HEAD ~ each } of { TAIL ~ reservoirs }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL