Engineering geology is a discipline that deals with the application of geological principles, techniques and expertise to the planning, design, construction, operation and management of civil engineering projects. There are several synonyms for engineering geology, including geo-engineering, applied geology, geotechnics, ground engineering, geological engineering, and geology for engineering. These terms are used interchangeably to describe the branch of geology that focuses on the geological aspects of engineering projects, such as building foundations, tunnels, dams, and roads. The aim is to ensure that the engineering projects are designed and constructed with an understanding of the geological features and processes of the site, in order to minimize possible risks and hazards.