A3+ (Super A3). A3 Plus, or Super A3 as it is sometimes known, is not an ISO 216 paper size. It has dimensions of 329mm x 483mm (13 x 19). This gives it an aspect ratio of 1:1.468 rather than the 1:root 2 aspect ratio of the ISO series paper sizes.
You may think of citrus fruits as the vitamin C powerhouses, but potatoes, including the skins, are good sources of this immunity-boosting vitamin. Potato skins also contain B vitamins, calcium and other nutrients. Potato skins are also rich in phytochemicals.
Source of Fiber. Including potatoes in your diet can also help you meet your fiber needs. While most of the fiber in the potato is found in the flesh, eating the skin can help increase your overall intake. A 1-cup serving of a baked potato with the skin contains 2.6 g of fiber, and without the skin, contains 1.8 g.