over-cross of one pipeline above another
41international trade — Introduction economic transactions that are made between countries. Among the items commonly traded are consumer goods, such as television sets and clothing; capital goods, such as machinery; and raw materials and food. Other transactions… …
42Sarah Palin — Sarah Palin …
43Heat pipe — A heat pipe is a heat transfer mechanism that can transport large quantities of heat with a very small difference in temperature between the hotter and colder interfaces. Inside a heat pipe, at the hot interface a fluid turns to vapour and the… …
44May 2008 — was the fifth month of that year. It began on a Thursday and ended after 31 days on a Saturday. Contents 1 International holidays 2 Portal:Current events 3 See also …
45Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
46Scientific research in Canada — This article outlines the history of natural scientific research in Canada including, mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
479/11 conspiracy theories — The collapse of the two World Trade Center towers and the nearby WTC7 (in this photo, the brown building to the left of the towers) is a major focus of 9/11 cons …
48Pipe (fluid conveyance) — For structural pipe, see Hollow structural section. For other uses, see Pipe (disambiguation). Steel pipes …
49Unmanned aerial vehicle — UAV redirects here. For the entertainment company, see UAV Corp.. For the veterans organization, see Ukrainian American Veterans. A group photo of aerial demonstrators at the 2005 Naval Unmanned Aerial Vehicle Air Demo. An unmanned aerial vehicle …
50Cooley–Tukey FFT algorithm — The Cooley–Tukey algorithm, named after J.W. Cooley and John Tukey, is the most common fast Fourier transform (FFT) algorithm. It re expresses the discrete Fourier transform (DFT) of an arbitrary composite size N = N1N2 in terms of smaller DFTs… …
