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Mohs hardness scale for Dummies

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Silicon is the second most plentiful element in earth’s crust. It had been learned in 1823 by Jöns Jacob Berzelius. Silicon has tremendous uses such as production of ceramic, glass, synthetic polymers and it is An important Section of built-in circuits. Other uses are in flooring coverings, fabrics and textiles, https://glass-lined-steel-pipe60370.idblogz.com/36288289/colour-of-manganese-dioxide-fundamentals-explained

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