Skin discoloration can be due to changes in melanin. Melanin is a skin pigment that gives color to the skin. Changes in melanin can also cause skin to be patchy. Treatment for skin discoloration includes using topical treatments.
Winglets increase an aircraft's operating efficiency by reducing what is called induced drag at the tips of the wings. An aircraft's wing is shaped to generate negative pressure on the upper surface and positive pressure on the lower surface as the aircraft moves forward.
A wingnut is a constant source of entertainment to those surrounding it and can easily be found in any type of setting or venue. Example: grocery stores, sporting events, cross-walks, public transportation, school, workâ¦you may even have one in your house. name given to a person who has ears that stick out the side (at a greater angle than is usual) like little wings on their head. Sort of reminiscent of those little nuts that are easy to screw because of their wing-like attatchments, also called wing nuts. This is how it is used by some people in New Zealand anyway.