L/O has various meanings in the Business & Finance category. Discover the full forms, definitions, and usage contexts of L/O in Business & Finance.
Terminology used to describe the process of securing an energy source so that work may be done. This is accomplished by locking out all the energy sources pertaining to the device, tagging out the resources, and trying out the device to make sure that it is de energized and safe for work to be done.
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