What is one part of a regular vessel and engine maintenance program? READ CAREFULL checking the tires on the trailer storing the vessel in a shaded dry area to protect against sun damage and rain changing the oil before every outing waxing the bow of the boat after each use checking the oil level before every outing storing the vessel in the sun to keep it dry

## Step 1<br />The problem is asking for one part of a regular vessel and engine maintenance program. The options provided are various maintenance tasks that could be part of such a program.<br /><br />## Step 2<br />The options include checking the tires on the trailer, storing the vessel in a shaded dry area to protect against sun damage and rain, changing the oil before every outing, waxing the bow of the boat after each use, checking the oil level before every outing, and storing the vessel in the sun to keep it dry.<br /><br />## Step 3<br />Among these options, the most common and essential part of a regular vessel and engine maintenance program is checking the oil level before every outing. This is because the engine's oil is crucial for its operation, and maintaining the oil level ensures the engine runs smoothly and efficiently.