Deck: Deck General

1. A The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential.
2. B The source tank for the tank cleaning machines must have least one meter decanted from it.
3. C The portable machines must be set at the proper drop for the first wash before the fixed machines are used.
4. D The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%.

Tip: press A-D to answer