An impediment is anything that slows or blocks progress. It can refer to a physical thing, like a fallen tree in the road, or something more intangible, like how piracy is an impediment to the pleasure cruise industry in Somalia. See the pedi in there?
An oblique fracture is when the break has a curved or sloped pattern. A comminuted fracture is when the bone breaks into several pieces. A buckled fracture, also known as an impacted fracture, is one whose ends are driven into each other. This is commonly seen in arm fractures in children.
Efflorescence is a crystaline deposit on surfaces of masonry, stucco or concrete. It is whitish in appearÂ­ance, and is sometimes referred to as whiskers. Efflorescence has been a problem for many years, and is a topic of much controversy.he problem of efflorescence, or the deposit of water-soluble salts on the surfaces of masonry, stucco or concrete, is an old one, and one that has been studied and reported on as early as 1877.