Actually some of these have answers.
For example the term Tonneau cover is redundant. A tonneau is a cover usually canvas originally used to cover the cockpit of a roadster to protect the interior.
SInce the main bearing (pivot) in a compass is immersed in oil additional lubrication is unnecessary. On some compasses with external gimbals a drop or two of light machine oil periodically should suffice.
Sailboat race is a perfect example of an oxymoron.
Yes, it should be called scuba swimming though one definition of dive is "to go below the surface of the water, as a submarine"
Can't help you with the fish burp thing.