Knitting requires four basic components: a yarn supply source; knitting elements or needles, which form the loops and build the fabric; fabric take down and fabric collections.

• 针织工艺包括四个主要部分,即给纱系统；成圈机件或针,其作用是构成线圈,形成织物；织物的牵拉系统以及织物的卷取系统。