Civil technology is a professional technology discipline that deals with the design, construction & maintenance of the physical & naturally built environment, including works such as bridges, roads, canals, dams & building, Civil technology is the oldest technology discipline, it is traditionally broken into several sub-disciplines including environmental technology, structural technology, geological technology, water resources technology, material technology, coastal technology, transportation technology, surveying, & construction technology. Civil technology takes place on all levels in the public sector from municipal to federal levels and in private sector from individual home town planners to international companies.