utility level
71Smart grid — Public infrastructure …
72Marginalism — Economics …
73Water supply — is the process of self provision or provision by third parties of water of various qualities to different users. Irrigation is covered separately. Global access to waterIn 2004 about 3.5 billion people worldwide (54% of the global population) had …
74Discrete choice — In economics, discrete choice problems involve choices between two or more discrete alternatives, such as entering or not entering the labor market, or choosing between modes of transport. Such choices contrast with standard consumption models in …
75Mathematical economics — Economics …
76building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
77Luxury vehicle — Luxury Car redirects here. For the Chinese film, see Luxury Car (film). Luxury vehicle is a marketing term for a vehicle that provides luxury pleasant or desirable features beyond strict necessity at increased expense (see: definition of luxury) …
78Chevrolet El Camino — See also: GMC Sprint / Caballero Chevrolet El Camino 1972 Chevrolet El Camino SS Manufacturer Chevrolet Division of General Motors …
79Pakistan Army — Founded 14 August 1947 Country …
80Water supply and sanitation in Zambia — is characterized by wide discrepancies in access to an improved water source between urban (90%) and rural areas (40%), as well as limited service quality in urban areas. A reform process undertaken since 1989 in urban areas has been slow to… …
