(1)A long, flat-bed trailer the front end of which rests on a truck, the rear end on two dual-wheel axles. Floats are used in the oil fields for transporting long, heavy equipment. (2) The buoyant element of a fluid-level shut off or control apparatus. An airtight canister or sphere that floats on liquids and is attached to an arm that moves up and down, actuating other devices as the liquid level rises and falls.
