Destructive processes, or forces, are the events that occur to change and destroy matter in the earth's surface. Destructive forces include erosion, weathering, organisms, earthquakes, and volcanoes. That's right, earthquakes and volcannoesare constructive and destructive! Let's find out how.
Knee braces are supports that you wear for a painful or injured knee. Some people use them to prevent knee injuries during sports. Braces are made from combinations of metal, foam, plastic, elastic material and straps. They come in many sizes, colors and designs.
Sometimes, choosing a knee brace can be a little overwhelming. There are braces with holes in them, no holes, metal hinges, gel pads, some with straps, and some without! The two most common are the knee sleeve (no holes) and the patella brace (sleeve with a hole in it). The knee sleeve serves two major purposes.