Why is it important for students to understand dive tables and dive computers?

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Understanding dive tables and dive computers is essential for divers primarily because it enables them to track their time and depth accurately. This knowledge is critical for ensuring safe diving practices, as it helps divers manage their ascent rates, monitor their no-decompression limits, and thus avoid the risk of decompression sickness or "the bends."

By using dive tables or computers, divers can plan their dives more effectively, which includes calculating how long they can stay at certain depths based on their previous dives. They help divers maintain awareness of their dive profiles, ensuring that they adhere to safety protocols and limits established by dive agencies. This foundational knowledge is integral to both recreational and technical diving, contributing significantly to diver safety and enjoyment in underwater activities.

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