useful carrying capacity
41Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …
42Sea otter — Taxobox name = Sea Otter status = EN trend = down status system = iucn2.3 image caption = A sea otter wraps itself in kelp in Morro Bay, California. image width = 250px regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Mammalia …
43Pontoon bridge — The U.S. 9th Army crosses the Rhine on a temporary steel treadway pontoon bridge, 1945. Carries Pedestrian, automobile, truck Span range Short to long …
44Aviation history — deals with the development of mechanical flight, from the earliest attempts in kite powered and gliding flight, to powered heavier than air flight, and beyond. Humanity s desire to fly possibly first found expression in China, where people flying …
45Britten-Norman Islander — infobox Aircraft name = Islander type = Utility aircraft/Airliner manufacturer = Britten Norman caption = BN 2B Islander VP FBD operated by the Falkland Islands Government Air Service, Stanley, 1994. designer = John Britten, Desmond Norman first… …
46Malthusian growth model — The Malthusian growth model, sometimes called the simple exponential growth model, is essentially exponential growth based on a constant rate of compound interest. The model is named after the Reverend Thomas Malthus, who authored An Essay on the …
47New Safe Confinement — Computer impression of the New Safe Confinement to cover No.4 Reactor at Chernobyl The New Safe Confinement (NSC or New Shelter) is the structure intended to contain the nuclear reactor at Chernobyl, Ukraine, part of which was destroyed by the… …
48native American — native American, adj. a person born in the United States. [1835 45, Amer.] * * * ▪ indigenous peoples of Canada and United States Introduction also called American Indian, Amerindian, Amerind, Indian, Aboriginal American, or First Nation… …
49Native American — Indian (def. 1). Usage. See Indian, Eskimo. * * * ▪ indigenous peoples of Canada and United States Introduction also called American Indian, Amerindian, Amerind, Indian, Aboriginal A …
50economic systems — Introduction the way in which humankind has arranged for its material provisioning. One would think that there would be a great variety of such systems, corresponding to the many cultural arrangements that have characterized human society.… …
