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.
1 Pemphigus vulgaris, a potentially fatal skin disease, causes blisters in the mouth or skin; these painful blisters become raw and crusted after bursting.  Bullous pemphigoid causes less severe blisters that heal faster and are not life-threatening; this condition is seen mostly in elderly people.
Many insects cause blisters, but many blisters are so tiny that you experience them as just little bumps. However, some insects and spiders produce distinct and often very large blisters.In the United States, the bites of the brown recluse spider, the yellow sac spider and fire ants cause characteristic blisters. Handling of blister beetles also causes eruption of blisters on the skin.The blister-causing bites of these insects and arachnids are not life-threatening except in cases of hypersensitive individuals, who may have a severe allergic reaction to the venom or toxin.any insects cause blisters, but many blisters are so tiny that you experience them as just little bumps. However, some insects and spiders produce distinct and often very large blisters.