Tempered Glass: Today, whenever we buy a new smartphone from the market, first of all we take a mobile cover and tempered glass for it. Both of these act as a protective shield for the mobile and protect it from wear and tear. Different quality tempered glasses are available in the market and their price starts from Rs 100 to Rs 200-300 and goes up to Rs 500. According to the company, the price of glass can be more. But do you know what is the real cost of the…
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