without+ballast
51Compact fluorescent lamp — Low energy light bulb redirects here. For other low energy bulbs, see LED lamp. The tubular type compact fluorescent lamp is one of the most popular types in Europe …
52Regulation of ship pollution in the United States — International laws and regulationsMARPOL 73/78 is one of the most important treaties regulating pollution from ships. Six Annexes of the Convention cover the various sources of pollution from ships and provide an overarching framework for… …
53Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… …
54Multihull — and monohull ship layouts A multihull is a ship, vessel, craft or boat with more than one hull. Contents 1 Description …
55SS Edmund Fitzgerald — Edmund Fitzgerald redirects here. For other uses, see Edmund Fitzgerald (disambiguation) …
56TGV track construction — LGV construction is the process by which the land on which TGV trains are to run is prepared for their use, involving carving the trackbed and laying the track. It is similar to the building of standard railway lines, but there are differences.… …
57Osoaviakhim-1 — Crash site Accident summary Date January 30, 1934 …
58Bulk carrier — The Sabrina I is a modern Handymax bulk carrier. Class overview Name: Freighter Subclasses …
59environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
60Demand response — This article is about the electrical concept. For the transport concept, see Demand responsive transport. A clothes dryer using a demand response switch to reduce peak demand In electricity grids, demand response (DR) is similar to dynamic demand …
