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प्रश्न
Why does a welder keep a special kind of glass between the object to be welded and his eyes? Explain.
स्पष्ट करा
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उत्तर
A welder uses a special protective glass because welding produces harmful ultraviolet radiation. The glass absorbs much of this radiation and protects the eyes from damage, including possible blindness.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
