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.
itchy. ' 1 Blisters are usually caused by injury to the skin from heat or from friction, which create a tear between the epidermisâthe upper layer of the skinâand the layers beneath. Short periods of intense rubbing can cause a blister, but any rubbing of the skin at all can cause a blister if it is continued for long enough.