Mountain climbers are individuals who climb mountains for recreation or sport. They use a variety of tools and techniques to ascend the mountain, such as lifts, alpinists, t-bars, and ski lifts. Lifts are a type of aerial lift that transports people or goods from one point to another. Alpinists are mountaineers who specialize in climbing steep and difficult terrain. T-bars are a type of ski lift that uses a T-shaped bar to transport skiers up the mountain. Ski lifts are a type of aerial lift that transports skiers up the mountain.