Laser Article
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The secret you must know before buying a laser pen
Sometimes you buy a 3W laser pointer,found not as good as the original 1W laser pointer power strong. Obviously, you…
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Which wavelength laser has better combustion performance?
Different laser wavelengths which band burning something stronger? 405nm laser has the most powerful to burn object, but portable laser…
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Laser Pointer focus adjustable
Laser Pointer focus adjustable The focus of many laser pointers can be adjusted. By focusing the focus, we can get…
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