The world collagen is derived from kola, the Greek word for glue. Collagen is found throughout the body-in skin, muscles, tendons, and bones. Fibers of collagen are woven together like threads in fabric to form a framework into which new cells can grow.
UglifyJS is a JavaScript compressor/minifier written in JavaScript. It also contains tools that allow one to automate working with JavaScript code: A parser which produces an abstract syntax tree (AST) from JavaScript code.
A lens that has one focal power, usually a correction for nearsightedness, farsightedness, and/or astigmatism. What is bifocal? In addition to a correction for nearsightedness, farsightedness, and/or astigmatism, a bifocal contains an addition for near vision.