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