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nature : a paper of quality indicators. Referring to the soaking, drying or high humidity in the air after the suspension of the relative size changes. To increase or decrease the size of the original sample size expressed as a percentage. Tests will surround the water samples, so far to no longer deformation. Samples removed from glass measuring its size, and the form in which it was compared, the rate of expansion in immersion. If the wet filter paper in a flat bed, in the air as their natural drying, not to deformation, to which size, dry and wet, as compared with that at the rate of drying extendable. And in each vertical and horizontal said.
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