However, due to the melt tolerances to be allowed for, caution recommends that this lower limiting value be increased by 0.5 percent by weight to 4.3 percent by weight or {HEAD ~ 3.2 percent} by {TAIL ~ weight}, for example 
by
However , due to the melt tolerances to be allowed for , caution recommends that this lower limiting value be increased by 0.5 percent by weight to 4.3 percent by weight or { HEAD ~ 3.2 percent } by { TAIL ~ weight } , for example
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH