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Its clarity and glass almost the same, for the most excellent fireproof material.
其通明性几乎和玻璃相同，为最优良的防火材料。
Shanghai Hehui Fireproof Material co. Ltd., established in 1997, is holding subsidiary company of Shanghai Senlin Special Type Steel Door co.
上海合晖防火材料有限公司创建于1997年，是上海森林特种钢门有限公司下属子公司。
Scientists do not know why the rock can be separated easily into threads, but they have found thousands of USES for this fireproof material, of the called the "cloth of stone".
科学家们不知道为什么矿石可以轻易地分解成丝，但他们为这种名为“石棉”的防火材料找到了数以千计的用途。
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