{HEAD ~ Another object} of the invention is to provide {TAIL ~ a spray polyurea elastomer system} which has excellent flexibility and elongation when applied to railcars to withstand the constant flexing railcars are subject to 
is to provide
{ HEAD ~ Another object } of the invention is to provide { TAIL ~ a spray polyurea elastomer system } which has excellent flexibility and elongation when applied to railcars to withstand the constant flexing railcars are subject to
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