The anal sphincters, along with the pelvic muscles that surround the end of the digestive tract, ensure controlled movement of digestive tract contents. There are many possible causes of fecal incontinence; in most cases, incontinence results from some combination of these causes. Critical to normal bowel function are:
Oilcloth is a tightly woven fabric, usually cotton or linen, which is then treated on one side to give it a waterproof finish. The coating traditionally was linseed oil, but is now more commercially sold with a PVC coating.
Drying oil is a kind of vegetable oil which drys in normal temperature. Linceed oil, Poppy oil, Walnut oil, Sunflower oil and Safflower oil are known as typical drying oil. Other kind of oils do not dry in normal temperature. Drying oil is the basic vehicle of oil paints. The more you incrude this oil into paints, the more the paints have transparensy and glossy. Drying oil can be increased its ablity by bleaching under the sun, heating to high temrelature or boiling.