OPG has various meanings in the Technology category. Discover the full forms, definitions, and usage contexts of OPG in Technology.
Oil pressure gauge indicates worn bearings or a broken oil pump. All engines have an oil pressure switch that switches a warning light on at low oil pressure. Some vehicles have an oil pressure gauge in the dashboard or instrument cluster.
TechnologyThe period at the beginning of the trading session officially designated by the exchange during which all transactions are considered made "at the opening". Related: Close, the Opening price The range of prices at which the first bids and offers were made or first transactions were completed.
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