Multi-select problem: How does the next paragraph end?

How to save yourself from drowning in a shipwreck
Wear a flotation device.
Hypothermia, shock, injury and exhaustion mean you cannot be guaranteed that you will swim to safety if an accident did happen. Wear a properly fitted life jacket that supports the neck and will keep your face out of the water if you fall unconscious.

Choices: 1). If possible, strap your head over one of the support bars. If the boat sinks, you will also need a lifejacket.; 2). You should also bring a towel, socks and a first aid kit. Load up when you are lost or seriously injured.; 3). For safety, cover as much body as possible in your life using a simple helmet and a pair of goggles to prevent the water from getting into the mouth or eyes. You may be required to bring an emergency supply of water.; 4). Get away from anyone else in the water. Immediately after the accident is when you, as a strong swimmer, are in most danger.;
4).