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Baptist well drilling — A very simple manual method to drill water wells, meant to be applied by very poor villagers in developing countries, who quickly learn how to drill their wells themselves. The Baptist drilling rig can be built in any ordinary arc welding… … Wikipedia
Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… … Wikipedia
Gobots — Screw Head redirects here. For the types of drives in screws, see List of screw drives. Gobots A selection of figures from the Gobot toyline … Wikipedia
Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone … Wikipedia
Gerald Ford — This article is about the U.S. President. For other uses, see Gerald Ford (disambiguation). Gerald Ford 38th President of the United States … Wikipedia