Glossary of Terms - O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Oil: A fossil fuel in liquid form that is obtained through wells drilled deep in the earth.

Oil seep: The appearance of oil on the surface of the ground that geologists use as a telltale sign of natural gas below, since oil and natural gas are usually found together.

One-call service: The utility locator service that should be called before digging into the ground. This service marks the location of buried utilities so people can work a safe distance away from them.

Outlet: A place to plug in appliances.

Overload: A circumstance when too much wattage flows over a circuit.

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