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  2. Spring-tooth harrow - Wikipedia

    en.wikipedia.org/wiki/Spring-tooth_harrow

    Harrows, whether spring tooth, spike tooth or disc harrows can have a drag connection or have a 3 point mounting. A drag harrow is pulled and cannot be backed up. Three point implements can be raised and lowered hydraulicly and maneuvered more easily. A spring-tooth harrow is a type of harrow, and specifically a type of tine harrow. It uses ...

  3. List of agricultural machinery - Wikipedia

    en.wikipedia.org/wiki/List_of_agricultural_machinery

    Harrow (e.g. Spike harrow, Drag harrow, Disk harrow) Land imprinter; Plow or plough (various specialized types) Roller; Stone / Rock / Debris removal implement (e.g. Destoner, Rock windrower / rock rake, Stone picker / picker) Strip till toolbar (and a variation called Zone till subsoiler) Subsoiler

  4. Drag harrow - Wikipedia

    en.wikipedia.org/wiki/Drag_harrow

    A 4-foot drag harrow A larger, 12 foot drag harrow simply uses three four foot sections that are connected. A drag harrow, a type of spring-tooth harrow, is a largely outdated type of soil cultivation implement that is used to smooth the ground as well as loosen it after it has been plowed and packed.

  5. Harrow (tool) - Wikipedia

    en.wikipedia.org/wiki/Harrow_(tool)

    A spring-tooth drag harrow Disc harrows Crumbler roller, commonly used to compact soil after it has been loosened by a harrow Clydesdale horses pulling spike harrows, Murrurundi, New South Wales, Australia. In agriculture, a harrow is a farm implement used for surface tillage.

  6. Rail fastening system - Wikipedia

    en.wikipedia.org/wiki/Rail_fastening_system

    Spring spikes or elastic rail spikes [25] are used with flat-bottomed rail, baseplates and wooden sleepers. The spring spike holds the rail down and prevents tipping and also secures the baseplate to the sleeper. [26] The Macbeth spike (trade name) is a two-pronged U-shaped staple-like spike bent so that it appears M-shaped when viewed from the ...

  7. Combine harvester - Wikipedia

    en.wikipedia.org/wiki/Combine_harvester

    The stripper and later headers had the advantage of fewer moving parts and only collecting heads, requiring less power to operate. Refinements by Hugh Victor McKay produced a commercially successful combine harvester in 1885, the Sunshine Header-Harvester. [7] Case harvester, 20+ mule team Case IH Axial-Flow combine

  8. Drag racers turn Philadelphia into a hellscape with dangerous ...

    www.aol.com/news/drag-racers-turn-philadelphia...

    Hundreds of dangerous drag racers terrorized the streets of Philadelphia over the weekend, setting off fireworks, vandalizing vehicles and even charging at cops trying to rein in the chaos.

  9. Disc harrow - Wikipedia

    en.wikipedia.org/wiki/Disc_harrow

    A disc harrow is the preferred method of incorporating both agricultural lime (either dolomitic or calcitic lime) and agricultural gypsum, and disc harrowing achieves a 50/50 mix with the soil when set correctly, thereby reducing acid saturation in the top soil and so promoting strong, healthy root development.