The foamed neoprene of the suit thermally insulates the wearer. A thick layer of fat under its skin insulates the beaver from its coldwater environment. The layer of ice that floats on top insulates the water below. Its grayish coat mostly consists of dense underfur which insulates it against cold weather. This insulates the water below it and keeps the pond open at that location. This ice insulates the water below, preventing it from freezing solid. It is a dome-like structure made of adobe and straw that insulates from heat. The unburned carbon insulates the flame and drops the temperature to approximately . Solar radiation is absorbed by the tips, and the inner plumage insulates the skin. It insulates a teapot, keeping the contents warm. Sam insulates the treehouse too well, however&colon; the fire fills the trunk with carbon monoxide. The plastic also covers and insulates the wires. If buildup insulates the probe from the medium, it will stop working properly. The long-travel suspension insulates the rider from uneven surfaces. The API insulates application developers from middleware.