第66章知识
ich were very abundant, to the north of the lake. these stones, when decomposed by heat, made a very strong quicklime, greatly increased by slacking, at least as pure as if it had been produced by the calcination of chalk or marble. mixed with sand the lime made excellent mortar.
这期间,居民们首先制造出一只烹调用的陶土罐。主要原料是陶土,哈顿在里面加了一些石灰和石英混合起来就成了正式的“管土”。他们拿适当形状的石头作模子,用陶土做成饭碗、茶杯,另外又做了一些盛水的大壶等等。
in the meantime what the settlers first manufactured was a common pottery in which to cook their food. th
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