What is a bucket truck used for?

A bucket truck is specifically designed to elevate personnel safely to work on overhead lines and other tasks that require access to elevated positions. This equipment features a platform or bucket that can be raised and lowered, typically mounted on a truck or vehicle. The key feature that makes bucket trucks particularly valuable in lineman work is their ability to securely transport workers to heights where they can perform maintenance, installation, or repairs on telecommunication and electrical lines.

The other options, while involving vehicles or equipment used in the construction or utility industries, do not reflect the primary function of a bucket truck as accurately. For example, bucket trucks are not designed for transporting materials or storing tools, as they prioritize safe access for workers instead. Similarly, using a bucket truck as a mobile office does not align with its intended purpose, which focuses on safely raising personnel. Thus, the correct answer highlights the essential role of bucket trucks in ensuring that linemen can complete their work in a secure and efficient manner at elevated heights.