In this manner, the paint remaining in {HEAD ~ the painting system} at {TAIL ~ the end} of a painting cycle is not wasted, but rather is saved to later be reused 
In this manner , the paint remaining in { HEAD ~ the painting system } at { TAIL ~ the end } of a painting cycle is not wasted , but rather is saved to later be reused
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH