- Yarn twist – the number of twists per unit length. There are Z and S points;
- Carding (carding) – the yarn that is only combed and woven at one end by the carding machine during the spinning process;
- Combing – the use of combing machine in the spinning process to comb the ends of the fiber yarn, less impurities, the fiber is more straight;
- Blending – a yarn formed by mixing two or two fibers of different nature;
- Yarn count – used to indicate the fineness of the yarn, mainly in the British count, metric count, special number, denier;
- Single yarn – the product directly on the spinning machine will be scattered once it is retracted, referred to as yarn;
- Strands – two or more yarns and twisted together, referred to as the line;
- Sewing thread – a general term for line products used for sewing sewing products such as garments;
- New type of spinning – Compared with the traditional spinning method of traditional ring spinning, one end of the spinning process is a free end, such as air spinning, friction spinning, etc., the yarn has no twist, but is entangled.