{HEAD ~ Acrylonitrile butadiene styrene copolar}, known also as the ABS resin, is {TAIL ~ a preferred material} of the head holders by reason of its dimensional stability over a wide temperature range 
{ HEAD ~ Acrylonitrile butadiene styrene copolar } , known also as the ABS resin , is { TAIL ~ a preferred material } of the head holders by reason of its dimensional stability over a wide temperature range
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