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.
Cause of skin rash blisters are friction blister are caused by intense pressure or rubbing of exposed skin for a brief period of time. Burn blisters can be caused by a flame, steam, or contact with a hot surface, severe sunburns or exposure to other types of radiation. 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.