Before revision: Spinning is a form of exercise used for sweatworking .Sweatworking is business networking while taking physical exercise and so working up a sweat.
After revision: Spinning is a popular mode of exercise when sweatworking because it appeals to both sexes; is simple and accessible; and its difficulty can be varied to enable weak atheletes to keep up .Sweatworking is business networking while taking physical exercise and so working up a sweat.