which is used for making electrodes and crucibles used in laboratory
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A crucible is a ceramic or metal container in which metal or other substances may be melted or subjected to very high temperature .
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Explanation:
A crucible is a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures. While crucibles historically were usually made from clay, they can be made from any material that withstands temperatures high enough to melt or otherwise alter its contents.
The crucible materials should also have good strength even when extremely hot. Furnace crucibles come in a variety of metal constructions, such as clay-graphite, silicon-carbide, and more. These materials can resist the extreme temperatures in typical foundry operations.
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