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Dredging: excavation, digging, scraping, draglining, suction dredging to emove sand, silt, rock or other underwater sea-bottom material.
UNESCO: L O S S A R Y
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Among the new measures proposed are the phasing out of bottom trawls, the heavy gear that scrapes material from the bottom of the sea - fish, coral and anything else in its way.
BBC: Fishing's global footprint
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At that range the wadding material could penetrate the top and bottom of a combat boot and the intervening biological material.
FORBES: Has Scalia Already Thrown In The Towel On Same Sex Marriage?
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When the bottom disk is rotated the material between its holes exerts a tiny gravitational tug on the material between the holes of the top disk, causing it to rotate, albeit only by billionths of a degree.
ECONOMIST: Cosmology
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OLETs rely on three layers of material, with the bottom layers carrying a charge, the middle layer (the meat in this high-tech sandwich) emitting photons when excited by the bottom, and the top layer selectively letting those photos through.
ENGADGET: Organic Light Emitting Transistors might make us forget all about OLED
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On the bottom you'll find a plastic material that allows for better reception without worrying about interference.
ENGADGET: BlackBerry Porsche Design P'9981 hands-on (video) Mobile
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Nanotech also allows for "green manufacturing"--manufacturing processes that can take place at ordinary temperatures, reducing energy costs, while the use of non-toxic catalysts minimize pollution and bottom-up construction leaves no wasted material behind.
FORBES: Nanotech Vs. The Green Gang
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Bar: fully or partially submerged mound of sand, gravel or other unconsolidated material built on the sea-bottom in shallow water by waves and currents.
UNESCO: L O S S A R Y
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Bottom line: professionals can thrive amidst these democratized channels because good material will always have a gravitational pull.
FORBES: And We're Live: What Happens When Anyone Can Do A Live Broadcast?
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The most common batteries are made up of negative and positive halves (the anode and the cathode), a material to separate them, and "current collector" layers at top and bottom to gather up the electric charges moving through.
BBC: 'Paint-on' batteries demonstrated
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Raw material costs have also risen from overseas and domestic sources, adding to labor cost pressures on the bottom line, survey respondents said.
FORBES: In Coastal China, A Labor Shortage