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ултравиолетово зрачење

Electromagnetic radiation ranging in wave length just beyond violet in the visible spectrum of light. The human eye cannot detect u. V. Our sun is the major source of u. V. Radiation on earth. Prolonged exposure to u. V. Can result in destructive skin burns and can promote the onset of skin cancer.

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  • Jasmin
  • (Macedonia)

  •  (Diamond) 7632 分数
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