The smell of the photocopies machines is due to the presence of----?
The smell of the photocopies machines is due to the presence of----?
فوٹو کاپی مشینوں کی بدبو کس کی موجودگی کی وجہ سے ہے؟
Explanation
Ozone, a form of oxygen, is a normal constituent of the earth's atmosphere.
Photocopiers create ozone through their "corona wires" that apply a charge to the paper so the ink will cling to it
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ND17-1-2023