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It can be generated using WPCleaner by any user. It's possible to update this page by following the procedure below: It's possible to update this page by following the procedure below: Download the file enwiki- YYYYMMDD -pages-articles.xml.bz2 from the most recent dump.
Cobalt is also used in the petroleum industry as a catalyst when refining crude oil. This is to purge it of sulfur, which is very polluting when burned and causes acid rain. [11] Cobalt is the active center of a group of coenzymes called cobalamins. Vitamin B 12, the best-known example of the type, is an essential vitamin for all animals.