In order to achieve this, {HEAD ~ the tank} 14 is linked to {TAIL ~ a recycling device} 22 via a feeding pipe 26 and a return pipe 28 
is linked to
In order to achieve this , { HEAD ~ the tank } 14 is linked to { TAIL ~ a recycling device } 22 via a feeding pipe 26 and a return pipe 28
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH