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31Deep foundation — A deep foundation installation for a bridge in Napa, California, United States …
32List of Emily Dickinson poems — This is a list of Emily Dickinson poems. There are 1,775 known poems that have been written by Dickinson. The poems are alphabetized by their first line. Punctuation, capitalization and even in some cases wording of the first lines may vary… …
33Duda — For other uses, see Duda (disambiguation). Duda Other names bőrduda, tömlősíp Classification Bagpiping Related instrume …
34Clarinet — This article is about the musical instrument. For ClariNet, see ClariNet. Clarinet B♭ Clarinet (Boehm system) Woodwind instrument Classification Wind Woodwind …
35Well logging — Gamma ray logging Spontaneous potential logging Resistivity logging Density logging Sonic logging Caliper logging Mud logging LWD/MWD v · …
36Dublin Port Tunnel — Dublin Port Tunnel, southbound entrance, December 2006 …
37Sordino — Sordino, with alternative forms sordono and sordun, etc., is an Italian term somewhat promiscuously applied by various writers:#to contrivances for damping or muting wind, string and percussion instruments (sordino); #to a family of archaic wind… …
38Geothermal heat pump — A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth s ability to store heat in the ground and water thermal masses. These systems operate based on the stability of underground temperatures: the ground… …
39List of aerophones by Hornbostel-Sachs number — The Hornbostel Sachs system of musical instrument classification groups all instruments in which sound is produced through vibrating air. This can include a column of air being set in vibration (as in wind instruments) or an air flow being… …
40Oil well control — is the management of the dangerous effects caused by unexpected high pressures upon surface equipment of oil or gas drilling rigs. Technically, oil well control involves preventing Formation fluid, usually referred to as kick, from entering into… …
