The upper mantle is known as the asthenosphere.
Refer to Earth for detailed information on the interior of the planet.
A mantle is an organ possessed by molluscs used to secrete their shells.
A mantle is basically a small sock made of silk or asbestos. asbestos can stand high temperatures. Silk-based mantles are extremely brittle once first burned.
The traditional mantle is coated in thorium, which when heated enough (with burning gas or kerosene vapour) glows brightly. Owing to concerns about the radioactivity of thorium, alternatives are now used in some countries, but these are more expensive and less efficient.
A mantle is an essential part of gas and kerosene lamps, and allows them to give out brilliant white light.
Thorium is radioactive, and pure thorium becomes more radioactive as it ages owing to its decay products. It should be handled with care.
A mantle (also mantel) is the stone or wood beam which serves as a support for the structure above a Fireplace[?], together with the whole framework, whether of wood, stone, etc., that acts as an ornament of the same.
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