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