What is a lattice boom?

A lattice boom refers to a boom that is constructed using one or more sections of thin steel gridwork. This design is characterized by its interlocking framework that provides strength while minimizing weight. The lattice structure allows for a lighter design compared to solid steel booms, which increases the lifting capacity and maneuverability of the crane. Additionally, the grid design helps in effectively distributing the load and reducing wind resistance.

This makes lattice booms especially advantageous in various applications, providing the necessary support for heavy loads while maintaining structural integrity. Their construction also allows for easier transportation and installation as they can be assembled on-site in sections, improving efficiency in lifting operations. The other options do not accurately describe the lattice boom's unique characteristics and construction method.