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Tallow is used in many commercial applications; dog food and soap are the 2 most common. The recipe for lye soap has only 3 ingredients, lye, tallow and water. It's a bit dangerous to make, because when lye and water mix, it gets very hot and gives off toxic fumes. Soap makers usually mix it in an ice water bath to reduce the heat and fumes.

Until electricity was harnessed to light houses, tallow was used in cheaper candles, the more expensive candles were made from wax. It was burned in rush lights, torches and lamps as well.

Tallow is used to lubricate steel being rolled in steel mills, and was used to lubricate steam engines. One of it's properties is that it stays slippery when very hot, unlike many oils.

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12y ago

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