... energy Spinning-----improve the quality of yarnIncrease the yarn’s moisture by 1.5 to 3%Increase ... humidityApplied types Cotton yarn, Flax yarn, High twist yarn, Polyester sewing thread, Slub yarn, Core-spun spandex yarn………WeavingYarn heat setting, ... types Slub yarn,High twist yarn,All-polyester poplinKnittingImprovement of yarn’s strength and elongation can reduce yarn breaksYarn twist setting ...