Uses of crystal

This video demonstrates practical uses of crystals in our daily life. This is a second lesson of this topic, it is also recommended to watch the first part.

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Channels: Accounting

Tags: Crystal uses

Uploaded by: ( Send Message ) on 14-01-2013. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 9m 31s

Dnatube: Sciencific and Medical video site.