safety warning issue : going to indoor grow farms may requires to wear antiUV glasses...

in informationwar •  4 years ago 

who knows... but I heard it...

Screenshot_2021-02-18_22-26-24.png

and so I share it.

if I am wrong, please discard...

informationwar ccp mh ma whoelse xi leds growing
4 years ago by

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      ·  4 years ago 

    the comfort of this blockchain... it's smooth.

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        ·  4 years ago 

      ps that what I had in mind for NK :0 later... step by step... how to make leds !

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