Which of the following items don’t belong to dock repair works?（）

If two A.C.generators are to be operated in parallel, the load is distributed evenly by（）

The treatment of the fuel oils involves storage, heating, filtering and（）

The ISPS Code consists of a mandatory section-Part A, which shows（）

（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.

Using a file without a handle may result in （）

Under MARPOL Code the ship to which it applies has to carry （）

（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.

Flame failure in an automatically fired auxiliary boiler can from a/an （）

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）