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To every scuba diver, the effects of
time and depth is essential since there is certain information that
is required on every dive such as the maximum depth reach during a
particular dive. To obtain this information, depth gauges or scuba
gauges are used because they will inform the diver of the maximum
depth reached. A depth gauge have two pointers and the way this
diving gauges functions is by having a main pointer moving up the scale and
at the same time pushing the other secondary pointer ahead of it as
the diver descends. Once the diver moves up towards the surface of
the water, the main pointer moves back down the scale but this time
the secondary pointer remains in its position and thus giving the
maximum depth reached. Before the diver goes into the water for the
second time, the secondary pointer has to be zeroed again. |