OM has various meanings in the Telecom category. Discover the full forms, definitions, and usage contexts of OM in Telecom.
Colloquial name for the commander of a merchant vessel. A piece of heavy bar iron bent to the form of a Z. One leg of the Z is bolted to the material that is to be drilled, and the drill top placed under the other leg and adjusted so the old man holds the drill against the material.
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