A hoist is a mechanical device used to lift and lower heavy objects. It typically consists of a rope or chain, a pulley, and a motor or manual crank. Hoists are commonly used in construction sites, warehouses, and garages to move items like construction materials or automobiles safely and efficiently. There are different types of hoists, including electric and manual versions. Electric hoists are powered by electricity, making them easier to operate for heavy loads, while manual hoists require physical effort to lift items. Both types are essential tools in various industries, helping to prevent injuries and improve productivity.