Miners and urban pipeline workers died due to carcinogens in the long-term working environment. By designing a safe detection gas lighting mask, the lighting equipment and the mask are combined and detachable. An alarm occurs, and the mask can resist the poison gas in a short time. This also applies to maintenance lighting, outdoor adventure and other activities.
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The era of lighting with mouth, ha ha
This concept is very good ah
GOOD JOB
Very powerful appearance
I think it's okay
Gas mask
Real cow