A vesicle can be thought of like a tiny pouch that surrounds the molecule and ushers it through an opening in the cell membrane. Examples of Selectively Permeable Membranes Selectively permeable membranes can be found around a variety of cells and places.
Weft Knitting Manufacture. Weft knitting is a knitted piece of fabric where the stitches run from left to right horizontally across the fabric. It is usually knitted with one piece of yarn, and can be made either by hand or using a knitting machine.
The processes in which fabrics are produced by set of connect loops from a series of yarns in warp or weft direction is defined as knitting. Different knitting machines are use to perform this techniques. Mainly two types of knitted fabrics are produced. They are as follow: Warp knitted fabrics: In a warp knitted structure, each loop in the horizontal direction is made from different thread and the number of thread used to produce such a fabric is at least equal to the numbers of loops in horizontal row.