railway sleeper screw

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• 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

• Rail fastening system — Elements of a baseplate based rail fastening system 1. Screw for fixing plate to sleeper 2. Elastomeric pad supporting rail 3. Tension washer 4. Rail clamp 5. Tensioning bolt (nut not shown) 6. Baseplate …   Wikipedia

• Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …   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

• airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …   Universalium

• Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is …   Wikipedia

• British Rail Class 67 — Class 67 redirects here. For the Norwegian EMU, see NSB Class 67. British Rail Class 67 67004 on a rail head treatment train (Oct. 2009) Power type Diesel electric Builder Meinfesa: Alstom, Val …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• flat — Synonyms and related words: 3 D, Pullman, Pullman car, abeyant, absolute, absolutely, absonant, accented, accidental, accommodation, accordant, accumbent, achromatic, achromic, act drop, admitting no exception, alabaster, alike, alkali flat, all… …   Moby Thesaurus