4. Explain and identify using diagrams the following maneuvers, points of sail, and other terms: 1  No-Sail Zone. 2  Closed Hauled. 3  Sailing-by-the-Lee. 4  In Irons. 5  Close Reach. 6  Stand-on. 7  Luffing. 8  Beam Reach. 9  Give-way. 10  Head-to-Wind. 11  Broad Reach. 12  Tacking. 13  Port Tack. 14  Run. 15  Jibing. 16  Starboard Tack.
Most blisters happen from irritation or other damage to the skin from something outside the body, such as a shoe. Some illnesses can make blisters. A single blister is usually from friction or a burn, typically on the hands or feet.
Blisters. A blister is a liquid-filled bubble on the outer layer of the skin. It's caused by rubbing or pressure. You can get blisters from wearing poorly fitted shoes, from start-and-stop sports such as basketball, or sports that require equipment.