The Sunglasses Have Their Own Industry Standards

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2024-07-18 16:23:00 - Μετάφραση

Wearing sunglasses for children is to block ultraviolet rays, and this standard for childrens glasses is naturally strict. UVA is long-wave ultraviolet radiation, and UVB is medium-wave ultraviolet radiation, both of which need to be protected. A pair of professional children's glasses should not have glass lenses, but should be made of sufficiently safe materials that are...

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