The pressure exerted by the water at equilibrium due to the force of gravity.

The sides curve outward (flares out) making the beam wider.

The width of the boat and is measured at the widest part of the canoe or kayak.

This is a small valve just lower than the mouth that empties the collected water that comes down the tube when one blows it out.

This fins have a single, full blade while the split fin is “semiparted ” in the web, separating the blade into two long, stiff blades

Allow surfers for greater maneuverability.

These waves break in a stable pattern.

He innovated a closed diving suit to complete the diving helmet.

Disabilities do not hinder anyone from scuba diving.

A beam in the center of a canoe that allows the canoe to rest on a person’s shoulder when portaging