is designed to carry out the rub fastness test on the surface of leather, so as to determine the amount of marring of the leather surface of finish and of color transfer to the rubbing pad. it can be for dry and wet rub testing. constant temperature and constant pressure box this apparatus can provide...
is designed to carry out the rub fastness test on the surface of leather, so as to determine the amount of marring of the leather surface of finish and of color transfer to the rubbing pad. it can be for dry and wet rub testing. constant temperature and constant pressure box this apparatus can provide...
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the number of animals in an area chlorophyll: a pigment that makes leaves green and facilitates photosynthesis by absorbing sunlight chrysalis: the pupa of a butterfly or moth; the hardened outer layer of such a pupa classification: a systematic arrangement in groups cold-blooded: having a body temperature...
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