efficiency zone
41Ornithopter — Cybird radio controlled ornithopter Pa …
42Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
43Neo-Piagetian theories of cognitive development — For more information, see Piaget s theory of cognitive development, Cognitive development and Intelligence. Psychology …
44Combustor — Flame stabilized by cyclone. A combustor is a component or area of a gas turbine, ramjet, or scramjet engine where combustion takes place. It is also known as a burner, combustion chamber or flame holder. In a gas turbine engine, the combustor or …
45Water supply and sanitation in the Philippines — ervice qualityContinuity of supplyIn 2004, water supply was available on average for 18 hours each day in the West Zone of Metro Manila and 21 hours in the East Zone. According to their respective websites, the utility responsible for water… …
46United States Constabulary — patch Active 1946 1952 Country …
47Touchstone Energy — Infobox Co operative company name = Touchstone Energy Cooperatives company company type = cooperative federation foundation = 1998 location = Arlington, VA key people = area served = members = industry = products = revenue = operating income =… …
48Zero-energy building — BedZED zero energy housing in the UK A zero energy building, also known as a zero net energy (ZNE) building, Net Zero Energy Building (NZEB), or Net Zero Building, is a popular term to describe a building with zero net energy consumption and zero …
49river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
50agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
