Industry

Finery Process

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metallurgy

Pyrometallurgy

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Centrifugal Pump

Centrifugal Pump

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Keely, John E. W.

Keely, John E. W.

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American inventor

Thermit

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chemical compound

Oil Cake

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Oilseed, & Uses

Patternmaking

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materials processing

Puddling Process

Puddling Process

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metallurgy

Lasso

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Definition & Use

Direct Dye

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Shale Gas

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Braiding

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textiles

Heat Pump

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engineering

Nickel Silver

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Facts, & Uses

Touchstone

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metallurgy

Inside Contracting

Inside Contracting

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manufacturing

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