The purpose of the Mayo Clinic Diet is to help you lose excess weight and to find a way of eating that you can enjoy for a lifetime. The Mayo Clinic Diet aims to teach you how to choose healthy foods and portions and to develop healthy lifestyle habits so that you can maintain a healthy weight for life.ypical menu for the Mayo Clinic Diet The Mayo Clinic Diet provides several calorie levels. Here's a look at a 1,200 calorie-a-day menu that follows the Mayo Clinic Diet plan: 1  Breakfast. 2  A fruit yogurt parfait (1 cup fat-free yogurt mixed with 1 serving fruit). 3  Lunch.
The first man-made ink appeared in Egypt about 4,500 years ago and was made from animal or vegetable charcoal (lampblack) mixed with glue. Today's inks are divided into two classes: printing inks and writing inks.
History of Marker Pens. Marker pen is a pen that has a tip made of porous, pressed fibers (felt) and a reservoir of colored ink. This reservoir has a core of an absorbent material which carries the ink. One more necessary part of a marker is cap that prevents drying of ink in a nib.