breathing
In the word SCUBA the letter B stands for breathing.
underwater
SCUBA stands for self-contained underwater breathing apparatus.
SCUBA-self contained underwater breathing apparatus
Breathing
Self Contained Underwater Breathing Apparatus
Buoyancy Control device
Self Contained Underwater Breathing Apparatus
Self Contained Underwater Breathing Apparatus
It stands for Self Contained Underwater Breathing Apparatus.
Self-Contained Underwater Breathing Apparatus.