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Here are some additional details about drag nets and masks and snorkels:
Drag nets
Drag nets are large nets that are dragged across the bottom of a body of water to search for objects.
Drag nets are typically used in shallow water, where the water depth is less than 10 feet.
Drag nets can be used to search for a variety of objects, such as missing persons, evidence, and sunken boats.
Masks and snorkels
Masks and snorkels are used to allow people to breathe underwater while swimming or diving.
Masks cover the eyes and nose, and allow people to see underwater.
Snorkels are attached to the top of a mask and allow people to breathe while their head is underwater.
Masks and snorkels are typically used in deep water, where the water depth is greater than 10 feet.