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.
Home blister treatment for this is often all that is needed for this type of blister. Other types of injuries to the skin may cause a blister, such as exposure to heat, electricity, chemicals, and radiation from the sun, or friction may result in burns that cause blisters. Other possible causes of itchy blisters include a viral illness, such as chickenpox or shingles. 2  Red bumps may turn into blisters... 3  Blister healing-A blister is a small pocket of fluid in the upper skin layers and is one of the bodyâs responses to injury or pressure. 4  The feet are particularly prone to blisters.