Disabilities do not hinder anyone from scuba diving.

A diving method where a diver uses a regulator as the breathing apparatus and a tank with compressed air which enables the diver to breathe normally underwater

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

He developed an improved diving bell.

Crossbars reinforcing the canoe and prevents sides from pulling apart under load.

A piece of equipment that makes it possible to breathe at the surface while the face is the submerged in water.

Like water skiing on a surfboard. 

Surfing very, very big waves.

This is a special valve on top of the tube that completely stops water (and air) from entering the tube when a wave comes or when diving underwater

This type of kayaking is where the kayak is typically fitted with a fin, rather like a surfboard.