ultraviolet radiation

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Sunglasses: more than just a stylish accessory.

Sunglasses: more than just a stylish accessory.

Invented a new method of water purification by means of LEDs

Invented a new method of water purification by means of LEDs

An invaluable benefit of sunbathing

An invaluable benefit of sunbathing

Focal Technologies: wastewater treatment with solar energy

Focal Technologies: wastewater treatment with solar energy

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