But when he came to the bottom he saw firelight. It was the light of a furnace.

但是当他来到底部，却看到了火光。那是发出的光亮。

At that time, local craftsmen first built an iron forge just behind the village here, on the bend in the river.

那个时候，本地工匠村后河的转弯处首先建了一个。

Virginia began iron working in the year that saw the introduction of slavery.

弗吉尼亚奴隶制出现的那一年开始。

Almost equally widespread was the art of iron working—one of the earliest and most picturesque of colonial industries.

——几乎同样普遍的是工艺——早也是美丽的殖民工业之一。

In the past, carbon was mainly used as fuel and reducing agent in iron - making.

过去，碳主要用作的燃料和还原剂。

Well, we've talked about everything from live - streaming to iron - making, from elderly care to overseas business.

嗯，我们已经讨论了从直播到，从老年护理到海外业务的所有内容。

That's where the furnace is and where all the metal was smelted and the tools were cast, as you'll be able to see.

就这里，所有的这熔，工具也这铸造，后面你可以看到。

Back in 2016, a Swedish steel company, Europe's  largest iron ore producer and an energy producer all came together to create HYBRIT, or  Hydrogen Breakthrough Ironmaking Technology.

早 2016 年，一家瑞典钢公司、欧洲大的矿石生产商和一家能源生产商就联合起来创建了 HYBRIT，即氢突破技术。

By eighteen fifty-four, nine thousand negroes from the United States had been sent to Liberia. Some had technical skills. They knew how to make iron. They knew how to use steam engines and other machinery.

到1854年，美国有九千名黑人被送到利比里亚。有些黑人拥有技艺，他们知道如何，如何使用蒸汽机和其他机械。

In other works a much greater fixed capital is required. In a great iron-work, for example, the furnace for melting the ore, the forge, the slit-mill, are instruments of trade which cannot be erected without a very great expense.

其他工程中，需要更多的固定资本。例如，一个大的厂中，熔化矿石的熔、锻、切磨机都是贸易工具，如果不花费很大的费用就无法建造。