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A test that takes less than one hour as opposed to the conventional one day test is proposed for measuring the relaxation shrinkage and hygral expansion of fabrics. There is no need for a controlled environment, the only equipment required being a household microwave oven and a scaled ruler. The test's simplicity makes it suitable for use in a commercial environment, especially for quality control during fabric finishing and garment making.
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Ly et al. (1988) studied this question.
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