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.
1 Burns, if severe enough, can produce blistering. 2  This includes burns from heat, chemicals, and sunburns. 3  Allergic eczema is a skin condition that is caused or worsened by allergens and can produce blisters. 4  Another type of eczema, dyshidrotic eczema, also causes blistering, but its cause is unknown.