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