F/O has various meanings in the Business & Finance category. Discover the full forms, definitions, and usage contexts of F/O in Business & Finance.
One of many refined petroleum oils such as heating oil, diesel, etc.
Business & FinanceIt is the sequence of power induced in the cylinders of engines. It is aligned with the sparking order of the spark plugs. It may be in sequence of 1 3 2 4 in four cylinder engine.
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