popular when queen victoria wore a silk gown dyed with mauveine at the royal exhibition of in london. by kind permission of the society of dyers and colourists. the absorption of visible light energy by the compound promotes electrons in the molecule from a low energy state, the ground state, to a higher...
. quality materials.the materials we select are beautiful and you won't find them in cheap brands. all of our baby underwear features luxury fabrics, high-grade cottons and man-made washable fibers. choosing high-quality materials helps your clothing last longer. parents understands the importance of...
/artificial fibers man-made /artificial fibers man-made fibers are fibers in which either the basic chemical units have been formed by chemical synthesis followed by fiber formation or the polymers from natural sources have been dissolved and regenerated after passage through a spinneret to form fibers...
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