There are, for example, is ranked 1st. Dyeing yarn with the condition by a Ca (OH) 2 to 4% 0.25% H 2 O CuSO 4.5 and use with dye. There are, for example, is ranked 2, 3. Dyeing yarn with the condition by a Ca (OH) 2 to 4 H 2 O CuSO 4.5% 0.1%, 0.25%, 1% and with dye method. First, dye, dye afterThere are, for example, is rated 3 1. Dyeing yarn with the condition by a Ca (OH) 2 to 4% H 2 O CuSO 4.5 0.5% and use dye first. An example is the 4th one. Dyeing yarn with the condition by a Ca (OH) 2 to 4% 0.25% H 2 O FeSO 4.7 & using dye first.
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