The mats can also contain pigments, dyes, flame retardants, and other additives so long as they do not significantly reduce {HEAD ~ the ability} of the mat to bond to {TAIL ~ a foam surface} 
The mats can also contain pigments , dyes , flame retardants , and other additives so long as they do not significantly reduce { HEAD ~ the ability } of the mat to bond to { TAIL ~ a foam surface }
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 OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL