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