singolu938
singolu938
20-06-2017
Physics
contestada
Contact lenses are made up of..?
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Аноним
Аноним
20-06-2017
Glass? I don't have contact lenses...
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kobemonster2003
kobemonster2003
20-06-2017
Contact lenses are made up of a material called hydrogel, a water absorbing polymer.
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