to have no ballast
11Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …
12Shifting ballast — Shifting Shift ing, a. 1. Changing in place, position, or direction; varying; variable; fickle; as, shifting winds; shifting opinions or principles. [1913 Webster] 2. Adapted or used for shifting anything. [1913 Webster] {Shifting backstays}… …
13Environmental 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,… …
14Compact 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 …
15Regulation 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… …
16Keelmen — The Keelmen of Tyne and Wear were a group of men who worked on the keels, large boats that carried the coal from the banks of both rivers to the waiting collier ships. Because of the shallowness of both rivers, it was difficult for ships of any… …
17Rolladen-Schneider LS1 — NOTOC The Rolladen Schneider LS1 is a Standard Class single seater glider manufactured by Rolladen Schneider from 1968 to 1977.DevelopmentThe LS 1 Standard Class design was the first aircraft type arising from the partnership between Wolf Lemke… …
18Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …
19Mountsorrel Railway — [v · d · …
20Pushback — In aviation, pushback is an airport procedure during which an aircraft is pushed backwards away from an airport gate by external power, when there isn t enough room for the aircraft to turn around under its own power (which requires some degree… …
