the profession of designing and executing structural works that serve the general public, originally the whole of non-military engineering, the sense has now become limited to that part which is neither mechanical nor electrical, study of the design, construction and management of infrastructural facilities (railways, roads, brigdes, tunnels, polders, ports and airports, sluices, dykes, drilling rigs, sewer sytems and water pu, that species of knowledge which constitutes the profession of a Civil Engineer; being the art of directing the great sources of power in Nature for the use and convenience of man, as the means of prod