The product is manufactured by using dead-burnt magnesia . other basic materials and binder through good grain size selection.

选用优质重烧镁砂及其它碱性复合材料，经合理的粒度级配与结合剂、添加剂混合而成。

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That meant notes about font selection, font size, leading, tracking, kerning and other such arcana.

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Because of the size of the class, jury selection is already proving difficult.

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Assembling such a finely-matched selection of natural pearls of this size and quality is rare and likely took decades, the auction house said.

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