4.1.1 Yarn forms: (a) A number of fibers twisted together. (b) A number of filaments laid together without twist. (c) A number of filaments laid together with more or less twist. (d) A single mono filament. e.g. Silk 4.2 TYPES OF YARNS: Yarns can be made either from short staple length fibers or from filament fibers.

If the machine becomes gummed with oil, put a drop of kerosene in each oil hole and at joints and run it rapidly for several minutes. Then wipe off the oil that oozes out with a soft cloth and reoil the machine. It will need a second oiling within a few hours after this treatment.