Internal combustion engine means stationary gas turbines and reciprocating internal combustion engines.
Internal floating roof means a cover or roof in a fixed-roof tank that rests upon or is floated upon, the liquid being contained, and is equipped with a closure seal or seals to close the space between the roof edge and the tank shell.
External floating roof means a storage vessel cover in an open tank top consisting of a double deck or pontoon single deck which rests upon and is supported by the petroleum liquid being contained and is equipped with a closure seal or seals to close the space between the roof edge and tank shell.
Fraud Monitoring System means an off-line administration system that monitors suspected occurrences of ABT- related fraud.