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.
Four types of knitting stitches are used to produce weft knit fabrics. Note: The names are sometimes confusing as knit and purl are terms that are used to describe the basic knit fabrics as well as the stitches. Stitch refers to each loop and fabrics produced with the stitch are basic knit fabrics with the same name.