drilling efficiency
121Pickens Plan — The Pickens Plan is an energy policy proposal announced July 8, 2008 by American businessman T. Boone Pickens. Pickens stated intention is to reduce American dependency on imported oil by investing approximately US$1 trillion in new wind turbine… …
122List of Historic Mechanical Engineering Landmarks — The following is a list of Historic Mechanical Engineering Landmarks as designated by the American Society of Mechanical Engineers since it began the program in 1971. The designation is granted to existing artifacts or systems representing a… …
123Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …
124BHP Billiton — Billiton redirects here. For the Indonesian island formerly known as Billiton, see Belitung. BHP Billiton Limited Plc Type Public company Traded as LSE:  …
125Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
126Political positions of Hillary Rodham Clinton — U.S. Senator Hillary Rodham Clinton (D NY), a former candidate for the nomination of the Democratic Party in the 2008 U.S. Presidential election, has taken positions on many political issues through her public comments and her senatorial voting… …
127Diamond core drill — bits (sometimes called hole saws) are used to bore holes in brick, concrete, glass, and stone. They are not generally used with softer materials. The bit consists of a metal cylinder, usually relatively soft steel mounted on an arbor. Industrial… …
128Nalco Holding Company — Type Public Industry Chemicals and water treatment Founded 1928 Headquarters Naperville, Illinois …
