heat dumping
61Polychlorinated biphenyl — PCBs redirects here. For printed circuit boards, see printed circuit board. Labelling transformers containing PCBs …
62XB-70 Valkyrie — Infobox Aircraft name=XB 70 Valkyrie type=Strategic bomber Supersonic research aircraft manufacturer=North American Aviation caption= designer= first flight=21 September 1964 introduced= retired= number built=2 XB 70s status=Retired from testing… …
63Drywall — For the musical group, see Drywall (musical project). Vertically hung drywall with joint compound. Drywall, also known as plasterboard, wallboard or gypsum board is a panel made of gypsum plaster pressed between two thick sheets of paper. It is… …
64Plasterwork — refers to construction or ornamentation done with plaster, such as a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. This is also sometimes called pargeting. The process of creating plasterwork, called… …
65Steam generator (railroad) — Steam generator is the term used to describe a type of boiler used to produce steam for climate control and potable water heating in railroad passenger cars. The output of a railroad steam generator is low pressure, saturated steam that is passed …
66Beam dump — A beam dump is a device that absorbs a beam. This may be a beam of photons ( light ) such as a laser beam, or a beam of electrically charged particles.Optical beam dumpsAn optical beam dump is an optical element used to absorb a beam of light.… …
67Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …
68Metro Atlanta — Infobox Metropolitan Area MSA name = nowrap|Metro Atlanta name = Metro Atlanta largest city = Atlanta other cities = Sandy Springs Roswell Marietta rank us = 9th population = 5,278,904 (2007 est.) density mi2 = 630 density km2 = 243 area mi2 =… …
69Greece — /grees/, n. 1. Ancient Greek, Hellas. Modern Greek, Ellas. a republic in S Europe at the S end of the Balkan Peninsula. 10,583,126; 50,147 sq. mi. (129,880 sq. km). Cap.: Athens. 2. a city in W New York. 16,177. * * * Greece Introduction Greece… …
70pollution — /peuh looh sheuhn/, n. 1. the act of polluting or the state of being polluted. 2. the introduction of harmful substances or products into the environment: air pollution. [1350 1400; ME pollucioun ( < OF) < LL pollution , s. of pollutio… …
