The mud slowly dries and hardens into a crust over several months. When used as a wood finish, linseed oil dries slowly and shrinks little upon hardening. It dries slowly and is easily manipulated while still wet. Following the death of a human the skin dries and cools. Naturally forming mudcracks start as wet, muddy sediment dries up and contracts. During the dry period of January to June, it typically dries up north of Khartoum. Shellac naturally dries to a high-gloss sheen. Felt tends to retain the shape in which it dries. Felt tends to stay in the shape that it dries. It dries with a slight sheen compared to wheat starch. As the seat dries and shrinks, the joints are held tight. The remaining species retain the dead bark which dries out and accumulates. Zinc white dries slowly and creates a relatively inflexible paint film. After application, the paint dries fairly quickly. The adhesive on so called duct tape dries and releases with time.