It is wool that: A- has long been kept, and so it has lost its natural properties to a large amount, and the state of China and the dimension, brilliance and transparency, fat and humidity is less than usual, and if white is yellow and if dark, it is coded and durable. (b) It is used once and for the second time after the settlement. In both cases, this type of wool is not suitable for the loss of its characteristics and what makes this material suitable for consumption in rug tissue for the use of strings and textures.