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Swimming races and diving
To keep the swimmers warm. The large pool is cold
5 or 6 meters
six feet at 7 inch minimun
keep from cramping
I think u can do it
chlorinated fresh water (not salt water )
It's not cold actually the rules mandate that the pool be 79 degrees F
the digestive system is 30 feet long
The starting blocks can be no higher than 30 inches above water level.
Events at the Olympics are performed on a three meter springboard and a ten meter platform.