A boom lift is a type of aerial work platform that allows workers to reach high places safely. It features a long, extendable arm, or "boom," that can be raised and lowered, providing access to elevated areas for tasks like construction, maintenance, and tree trimming. Boom lifts come in various types, including telescopic and articulating, each designed for specific applications. These machines are typically powered by electricity or diesel and can be operated from the ground or from a platform at the end of the boom. Safety features, such as guardrails and emergency stop buttons, are essential to protect workers while they are elevated.