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