What safety equipment should be available during a dive?

The presence of a first-aid kit, emergency oxygen, and a signaling device is essential for safety during a dive. Each of these items plays a vital role in ensuring that divers are prepared for potential emergencies.

A first-aid kit is important as it contains supplies for treating minor injuries, cuts, scrapes, or other medical issues that might arise during a dive. This provides immediate access to care before professional medical help can be obtained.

Emergency oxygen is crucial in cases of decompression sickness or near-drowning situations. Administering oxygen can significantly improve a diver's condition by providing necessary respiratory support and assisting in the elimination of nitrogen bubbles from the body, thus facilitating recovery.

A signaling device, such as a whistle, mirror, or dive flag, helps communicate with surface support or other divers in case of an emergency. It increases visibility and aids in the quick location of divers who may be in distress or lost from the main group.

Having all three of these safety items ensures a comprehensive approach to dive safety, covering various emergency scenarios. Depending solely on any single item would leave divers vulnerable in situations that could require the use of other equipment.