{HEAD ~ The pad} is made from {TAIL ~ a material} that is non reactive with the liquid control solution 
is made from
{ HEAD ~ The pad } is made from { TAIL ~ a material } that is non reactive with the liquid control solution
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH