scuba - self contained underwater breathing apparatus
a combination of SCUBA tank(s) attached to a SCUBA regulator
so that more air can be stored in the tank for longer stay underwater.
Self Contained Underwater Breathing Apparatus
Generally around 1 hour
So that they may breath underwater.
they can talk in their helmets They may have underwater two way radio, or through hand signals.
You can breathe underground by using submersible breathing aparatus similar to scuba gear used by divers.
A SCUBA (self-contained underwater breathing apparatus) tank
Scuba Bob's Ocean Quest - 2006 Underwater Heroes Steel Divers 2-6 was released on: USA: 2007
For a way to breathe underwater.
By oxygen tanks - similar to SCUBA divers.
Technical scuba divers do, but recreational divers do not.
they need to know how long they can be underwater, and how deep they can go with the air in the tank.
While scuba equipment is very heavy on dry land, when underwater, the weight of the equipment is alleviated on the divers due to the water buoyancy. Even weak divers have little trouble with managing the equipment.
So that there wouldn't be more pressure in the body than outside their body.
The collective noun is a bubble of scuba divers.
Many people use a SCUBA suit for diving. Sport divers, police divers and some Navy recovery divers.
By having a bubble of air connected to the lungs - like scuba gear.
A float with a red flag with a diagonal white stripe is the symbol for "Divers Down"; SCUBA divers are underwater in this area. Be cautious in the area of the float, because the divers will surface nearby.
Because fish have gills and can breathe under water and humans do not
Scuba Diver. n.One who uses scuba gear in underwater swimmingIn other words, they're people who dive underwater in wetsuits usually with oxygen tanks on their backs so that they can breathe, and goggles on so that they can see stuff underwater.
we prefer to be called scuba divers but some may call us frogmen : )