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Question:

What are the roles of protective masks and goggles

What are the roles of protective masks and goggles?

Answer:

High temperature mask in addition to heat insulation clothing mentioned in the aluminum foil mask, can also be made of single layer or double layer metal mesh, but to double layer as well, can make some radiation is blocked and cooling in the air.
With the welding mask made of hard paper, welders, with a certain thickness of the fiber light, heat, and has good electrical insulation mask.
Shock proof light mask is made of transparent plastic, with polycarbonate plastic, covering both sides and lower ends are respectively extended to two ears and chin end toward the neck, the mask can more fully coated face, to enhance the protective effect.

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