What types of engineers are there?

1. Engineer classification: civil engineering, civil engineering, rock engineering, earthwork excavation, landscape architecture, gardening, landscape architecture, landscape engineering, landscaping, ancient architecture, civil engineering, civil engineering installation, architecture, construction management, construction engineering, architectural design, architectural decoration, surveying, engineering survey, electronics, etc. HVAC, corrosion and protection, thermal power, electromechanical, electromechanical engineering, chemical industry, machinery, machinery manufacturing, electromechanical, automobile maintenance, equipment installation, water conservancy, water conservancy and hydropower, hydropower installation, water supply and drainage, boiler, kiln, road and bridge construction, tunnel engineering, computer technology, municipal, municipal engineering, municipal road engineering, and budgetary estimate.