ROCHESTER, Minn. -- Mayo Clinic ophthalmologists have found commercially available Class 3A green laser pointers can cause visible harm to the eye's retina with exposures as short as 60 seconds. The ...
We may receive a commission on purchases made from links. Broadly speaking, the purpose of a laser level is to measure long, flat surfaces, as well as ensure that they're leveled out. In theory, the ...
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