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cause stains. Some of these stains would otherwise only dissolve in aqueous detergent mixtures at high temperatures, potentially damaging delicate fabrics. Non-polar solvents are also good for some fabrics - especially natural fibres - as the solvent does not interact with any polar groups within the fabric. Water binds to these polar groups (hydroxyls in the cellulose for example), resulting in the swelling and stretching of proteins within fibers during laundering. Also, the

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