Incoming light beams bend as they pass through the front surface of each glass bead and reflect off a mirrored surface behind the bead. The beam then passes back through the front surface and returns toward the light source.Fractional distillation leads to a better separation than simple distillation because the glass beads in the fractionating column provide "theoretical plates" on which the vapors can condense and then re-evaporate, and re-condense, essentially distilling the compound many times over. Glass Beads,Glass Seed Beads,Sea Glass Beads,Glass Pearls HAPPYMAX INDUSTRY LIMITED , https://www.happymaxcn.com
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