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.
Potatoes for potato salad should be boiled whole with the skin on for a number of reasons. Just under the skin of the potato is a layer where most of the vitamins and minerals are located, by boiling with the skin on, the thin layer of skin can be slipped off saving this layer.