sentences:  Additionally, different fibres react to cleaning in different ways, and fabrics may shrink or stretch, which, if they are still attached together, may cause rippling and distortion in the lining and outer layer of the textile.As with moving or working with dry pieces, the textile should be washed in a flat, fully supported position.Usually this is achieved through the use of screens like the ones used in vacuuming, though these may be supported in a frame of some kind for added stability.