A personal flotation device (PFD) is a safety item designed to keep a person afloat in water. It is usually worn as a vest or jacket and is made from materials that help buoyancy, such as foam or inflatable sections. PFDs are essential during water activities like boating, kayaking, or swimming in open water to prevent drowning. They are designed to support the wearer’s head above water, even if they become unconscious. PFDs come in different styles and sizes, and they are required by law in many areas for specific water activities.

What is a "personal flotation device"?

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personal flotation device

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“personal flotation device”的英语定义和含义

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