Yarns

• the definition of a yarn means a long and continuous length of fibres (or filaments) with or without a twist
• for the yarn to be useful, it has to be strong enough to be made into different fibres
• it's made through a process known as spinning, to make different yarn types
• examples include: singles, ply, cabled, corespun or fancy yarn
• the thickness and tightness of the spun yarn affects its overall strength, weight, flexibility, appearance, handle, texture and the end use

Twist:

• to make a yarn stronger, and suitable for knitting or weaving, a twist is added during the spinning process
• can be spun clockwise ('Z' twist) or anti-clockwise ('S' twist)
• Z twist is that yarn and the S twist is the weft
• light is reflected this way

• low twist yarns are soft, weak but more bulky
• high twist yarns are strong, hard and can withstand any tension in…