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Professional Diver
Performs underwater work — from inspecting pipelines to recovering artifacts to marine research.
Did you know?
Saturation divers live in pressurized chambers for up to 28 days at a time, riding a diving bell down to work sites often 100 to 180 meters deep.
How subjects help
- Physics: Understand how water pressure builds with depth and why divers rise to the surface slowly.
- Biology: Know how breathing compressed air affects your body and recognise the danger signs.
- Engineering: Inspect and repair underwater pipes, dams and ship hulls using special tools.
- Physical Education: Stay strong enough to swim against currents while carrying heavy equipment.
A famous name
Carl Brashear: US Navy diver who lost a leg after a 1966 salvage accident and became the first amputee Navy diver recertified.
Try it yourself: Talk without words: hand signals
- Together, invent clear hand signals for: OK, problem, go up, stop, and look at this.
- Practise until you can both do them without thinking.
- Stand across the room and hold a whole "conversation" using only signals.
- Which signal was hardest to understand? Improve it so it can't be mistaken for another.
Professional divers can't talk underwater, so they agree hand signals and check them before every dive.
Also try: Watch an animal for ten minutes.
Known for it in
Norway, Australia, UK, USA, UAE