contamination control line

  • 51Hudson River — Coordinates: 40°42′11″N 74°01′36″W / 40.70306°N 74.02667°W / 40.70306; 74.02667 …

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  • 52U.S. Route 8 — US 8 highlighted in red Route information …

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  • 53Eye movement in music reading — skills. A central aspect of music reading is the sequence of alternating saccades and fixations, as it is for most oculomotor tasks. Saccades are the rapid ‘flicks’ that move the eyes from location to location over a music score. Saccades are… …

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  • 54Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 55Environmental impact of shipping — A cargo ship discharging ballast water into the sea. The environmental impact of shipping includes greenhouse gas emissions and oil pollution. Carbon dioxide emissions from shipping is currently estimated at 4 to 5 percent of the global total,… …

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  • 56Cholera — Classification and external resources Scanning electron microscope image of Vibrio cholerae ICD 10 A …

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  • 57Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …

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  • 58Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …

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  • 59Surface runoff — Runoff flowing into a stormwater drain Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water… …

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  • 60Alberto Contador — Contador redirects here. For the actress and TV host, see Javiera Contador. This name uses Spanish naming customs; the first or paternal family name is Contador and the second or maternal family name is Velasco …

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