He developed an improved diving bell.

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

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

Disabilities do not hinder anyone from scuba diving.

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.