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In common usage, salt is a mineral composed primar...

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A crucible is a container in which metals or other...

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Superphosphate is a chemical fertiliser first synt...

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A thimble is a small pitted cup worn on the finger...

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Trichloroethylene (TCE) is a halocarbon with the f...

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Benzethonium chloride, also known as hyamine is a ...

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A microscope (from Ancient Greek μικρός (mikrós) '...

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The safety of cosmetic products is constantly in q...

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