Do you know---SCUBA---USEFUL KNOWLEDGE

in #blog • 9 years ago

USEFUL KNOWLEDGE
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SCUBA :Self Contained Under water Breathing Apparatus.

It provides clean air to the user from the compress oxygen cylinder.The cylinder is mounted on a metal frames to be supported on the back of the user by a harness belt.It is used when person travels under water.

#scuba #information #underwater #useful
9 years ago in #blog by
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