dredging tube
21List of mayors of Oakland, California — This is the list of mayors of the city of Oakland, California, which was founded in 1852. It was incorporated as a city in 1854. Until the early twentieth century, all Oakland mayors served terms of only one or two years each. Contents 1 Terms 2… …
22Potrero Point — San Francisco is the location of the earliest and most important industrial facilities in the Western United States on the eastern extension of San Francisco s Potrero Hill, a natural land mass extending into San Francisco Bay south of Mission… …
23Dragage — On appelle dragage l opération qui consiste à extraire les matériaux situés sur le fond d un plan d eau. L objectif peut être de réaliser des travaux de génie portuaire (creusement de bassins ou de chenaux), d entretenir les chenaux fluviaux ou… …
24Abalone — For board game, see Abalone (board game). Abelone redirects here. For the wine grape that is also known as Abelone, see Chasselas. Abalone Living abalone in tank showing epipodium and tentacles, anterior end to the right …
25Alameda, California — Infobox Settlement official name = City of Alameda, California settlement type = City nickname = The Island CityFact|date=September 2007 imagesize = image caption = image mapsize = 250x200px map caption = Location in the state of California and… …
26Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism …
27List of English words of Dutch origin — This is a list of words of Dutch language origin. However, note that this list does also include some words of which the etymology is uncertain, and that some may have been derived from Middle Low German equivalents instead or as well. Some of… …
28Oakland Estuary — Coordinates: 37°47′41.02″N 122°18′54.92″W / 37.7947278°N 122.3152556°W / 37.7947278; 122.3152556 …
29Welsh inventions and discoveries — Famous Welsh innovators and visionariesSome elements of this list may be disputed.Eddie Bowen, Pioneer of Radar. Worked at Woomera Rocket Testing Base in Australia. Invented artificial rain in the 1950s Born in Gendros, Swansea. David Brunt,… …
30environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
