Civil engineers are professionals who specialize in the design, construction, and maintenance of public works such as roads, bridges, dams, and buildings. They are responsible for ensuring that these structures are safe and efficient, and they often work with other professionals such as architects and surveyors to ensure that projects are completed on time and within budget. Civil engineers also play an important role in the development of new technologies and materials that can be used in construction. They are highly trained professionals who have a deep understanding of the principles of engineering and the laws of physics.