Injectors for use with heavy fuel oil must be cooled by either water or light oil to_____.

Where tanks are arranged for either oil or ballast （） must be fitted in the pipe so that only the ballast main or the oil transfer main connected to the tank.

In a typical fuel system, the oil is stored in （） in the double bottom.

The consistent burning of fuel oil with a high sulfur content in a diesel engine will result in （）

Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.

The （） or balance tank collects the re-circulated fuel oil.

The （） or balance tank collects the re-circulated fuel oil.

（）is a term that covers a great variety of goods that must be loaded individually,and not in intermodal container nor in bulk as with oil or grain.

Oil is supplied to the crosshead using a swinging arm or a （） and is sometimes boosted in pressure to and efficient lubrication.

In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.

●A (68) is a feature of the system or adescription of something the system is capable of doing in order to fulfill the system's purpose.

To avoid excessive pressures in the fuel oil filling system during bunkering, you should （）.