After the lens is made out, the staff will be coated with a layer of sprayed into the lens protective film anti-fog agent, to ensure that will not play in the water mist.
Once the lenses have been made, the staff will apply a protective film to the lens with a spray-painted anti-fog agent to ensure that there is no fog underwater.
After the lens is made, the staff will apply a layer of protective film sprayed with antifogging agent to the lens to ensure that there will be no fog under water.<br>