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ballast support

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  • Ballast Point, New South Wales — Ballast Point is a 2.6 hectare area located in Birchgrove at the tip of the Balmain Peninsular in the Municipality of Leichhardt in Sydney, New South Wales, Australia. It is located between Snails Bay and Mort Bay in Port Jackson.HistoryBetween… …   Wikipedia

  • ballast — [n] something giving balance balance, brace, bracket, counterbalance, counterweight, equilibrium, sandbag, stability, stabilizer, support, weight; concept 712 …   New thesaurus

  • Track ballast — forms the trackbed upon which railroad ties (US) or railway sleepers (UK) are laid. It is packed between, below, and around the ties. It is used to facilitate drainage of water, to distribute the load from the railroad ties, and also to keep down …   Wikipedia

  • Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …   Wikipedia

  • Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …   Wikipedia

  • railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …   Universalium

  • National Invasive Species Act — The National Invasive Species Act (NISA) was sponsored by U.S. House Representative Steve LaTourette on September 28, 1996, and it became Public Law No. 104 332 (H.R. 4283) on October 26, 1996. The official purpose, as introduced, is: “To provide …   Wikipedia

  • Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …   Wikipedia

  • Railroad 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.… …   Wikipedia

  • Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… …   Wikipedia

  • Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …   Wikipedia

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