Traditional cantilever brakes used two cables, a main cable running down the centerline of the bike, and a second, transverse cable connecting the cantilever units on each side of the wheel. The main cable would pull upward on the middle of the transverse cable, causing the cantilever units to rotate inward.
sward. n. 1. (Botany) turf or grass or a stretch of turf or grass. vb. 2. (Botany) to cover or become covered with grass.
In science, a scavenger is  an organism that consumes a decaying organism. Some common examples of scavengers are vultures, hyenas and insects, such as blowflies. There are also scavenger cells, which surround and destroy invading microorganisms.