The defined parameters in the stretching in addition to the twists for every metre and the selected wrapping yarn ascertain the character, especially elongation, elasticity and physical appearance on the wrapping yarn. All known filament, staple and high-tech yarns with the elastic core manufactured from elastane or rubber are utilized. https://charlieftcjp.diowebhost.com/87812941/considerations-to-know-about-double-covered-yarn