Hot Slag

At the ThyssenKrupp steel mill in Bruckhausen is a fantastic image of molten slag being poured out of a slag car. Slag is a by-product of the manufacturing of steel; an alloy produced by smelting pig iron at temperatures of 1650 °C. The slag is poured into pits, where it is left to cool down before being recycled as aggregate for cement or concrete. Just because it’s Friday, today’s phonetically-related random fact is that one of the other meanings of the word “slag” (used in the UK to describe a person “of loose morals”) is apparently considered the…

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