When.com Web Search

  1. Ads

    related to: plastic trough planters clearance near me

Search results

  1. Results From The WOW.Com Content Network
  2. Screw conveyor - Wikipedia

    en.wikipedia.org/wiki/Screw_conveyor

    Archimedes' screw Centreless screw conveyor. A screw conveyor or auger conveyor is a mechanism that uses a rotating helical screw blade, called a "flighting", usually within a tube, to move liquid or granular materials.

  3. Pneumatic trough - Wikipedia

    en.wikipedia.org/wiki/Pneumatic_trough

    Four items are required for gas collection with a pneumatic trough: [2] The trough itself, which is a large glass dish or a similar container. A gas bottle (or bulb), to hold the gas collected. A way to support the gas bottle or bulb, such as a beehive shelf or a hanger (as with Stephen Hales' design). A liquid in the trough.

  4. Parabolic trough - Wikipedia

    en.wikipedia.org/wiki/Parabolic_trough

    A parabolic trough collector (PTC) is a type of solar thermal collector that is straight in one dimension and curved as a parabola in the other two, lined with a polished metal mirror. The sunlight which enters the mirror parallel to its plane of symmetry is focused along the focal line , where objects are positioned that are intended to be heated.

  5. Petroleum Warfare Department - Wikipedia

    en.wikipedia.org/wiki/Petroleum_Warfare_Department

    Another idea developed was that the oil should be held in place on the water by a trough formed from coir matting. A machine formed the trough from a flat mat as it was paid out over the stern of a ship. Trials with the Ben Hann produced a flaming ribbon 880 yards long and 6 feet wide (800 m × 2 m) that could be towed at four knots. [44]

  6. Railway track - Wikipedia

    en.wikipedia.org/wiki/Railway_track

    A railway track (CwthE and UIC terminology) or railroad track (NAmE), also known as permanent way (CwthE) [1] or "P Way" (BrE [2] and Indian English), is the structure on a railway or railroad consisting of the rails, fasteners, sleepers (railroad ties in American English) and ballast (or slab track), plus the underlying subgrade.

  7. Siphon - Wikipedia

    en.wikipedia.org/wiki/Siphon

    Siphon principle In the flying-droplet siphon, surface tension pulls the stream of liquid into separate droplets inside of a sealed air-filled chamber, preventing the liquid going down from having contact with the liquid going up, and thereby preventing liquid tensile strength from pulling the liquid up.