When used in an oxygen rich environment, 0.2% to 0.4% by {HEAD ~ weight} of {TAIL ~ an inorganic pigment} of a green color is addded 
of
When used in an oxygen rich environment , 0.2 % to 0.4 % by { HEAD ~ weight } of { TAIL ~ an inorganic pigment } of a green color is addded
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH