Zeeman laser is the laser to stabilize frequency by using the effect of magnetic field, which is applied to the transverse/axial |
For the model 816-2B, children of under age 12 are prohibited to use. For the model 816-2A, children of under age 12 can not operate alone, and will assisted by adults or professionals. Please drink plenty of warm water after treatment, it is good for your metabolism. The time ...
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