Before fueling your vessel you should turn square the engine and square y all windows, ports, doors and other openings. You must answer both parts correctly to recolve credit

## Step 1<br />The first blank in the sentence is asking for an action that should be taken before fueling a vessel. The action should be something that is done to ensure safety. The most logical action to take before fueling a vessel is to turn off the engine. This is because the engine could potentially ignite the fuel, leading to a dangerous situation.<br /><br />## Step 2<br />The second blank in the sentence is asking for an action that should be taken to ensure safety before fueling a vessel. The action should be something that is done to ensure that there is no risk of fire or explosion. The most logical action to take is to close all windows, ports, doors, and other openings. This is because these openings could potentially allow the fuel to come into contact with an ignition source, leading to a fire or explosion.