Medical Conditions. If your eyelids are drooping, it could be a sign of an underlying medical condition, especially if the issue affects both eyelids. If just one of your eyelids droops, it may be a result of a nerve injury or a temporary sty (inflammation and swelling of the eyelid that is usually harmless). Routine LASIK or cataract surgery is sometimes to blame for the development of ptosis, as a result of the muscle or tendon being stretched.
Drywall (also known as plasterboard, wallboard, gypsum board) is a panel made of gypsum plaster pressed between two thick sheets of paper.It is used to make interior walls and ceilings. Drywall construction became prevalent as a speedier alternative to traditional lath and plaster.rywall panels in the United States are manufactured in 48-inch (1.2 m), 54-inch (1.4 m) and 96-inch (2.4 m) wide panels in varying lengths to suit the application. Common panel thicknesses are 1â2 -inch (13 mm) and 5â8 -inch (16 mm), with panels also available in 1â4 -inch (6.4 mm) and 3â8 -inch (9.5 mm).
Drywall compound adds a smooth finish to plywood surfaces. Drywall compound, often referred to as joint compound or mud in the contracting trade, is a thick white paste used as a sealant for interior surfaces.Though most commonly used to patch seams between sheets of drywall, mud can be used on plywood to create a smooth, professional finish.Compound can be layered and spread using different tools to create texture on otherwise plain walls. Mud also helps insulate plywood walls, sealing them against air and water.ix drywall compound according to the instructions on the container. Use a joint knife to mix. Some ready-mixed compounds can be applied right out of the container, but most will require thorough mixing.