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  2. Steam locomotive components - Wikipedia

    en.wikipedia.org/wiki/Steam_locomotive_components

    Grate Supports the burning fuel while allowing the products of combustion – ash and small clinker – to drop through. [2] [3]: 39 ...

  3. Grate firing - Wikipedia

    en.wikipedia.org/wiki/Grate_firing

    Grate firing is a type of industrial combustion system used for solid fuels. It now is used mainly for burning waste and biomass , but also for smaller coal furnaces. Capacities 0.3 to 175 MWth in industry and CHP

  4. G.I. pocket stove - Wikipedia

    en.wikipedia.org/wiki/G.I._pocket_stove

    The G.I. pocket stove is 8 + 1 ⁄ 2 inches (220 mm) high and 4 + 1 ⁄ 2 inches (110 mm) in diameter, and weighs about 3 pounds (1.4 kg). It was designed to burn either leaded or unleaded automobile gasoline (sometimes referred to as "white gasoline" or pure gasoline, without lead or additives).

  5. Pennsylvania Railroad 1361 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_1361

    Restored to operating condition for excursion service in 1987, No. 1361 and its only surviving sister locomotive, No. 3750, were designated as the official state steam locomotives by the Pennsylvania General Assembly. In late 1988, it was sidelined due to mechanical problems and a second restoration attempt stalled.

  6. Grate - Wikipedia

    en.wikipedia.org/wiki/Grate

    Grate may refer to: . Grate, the metal part of a fireplace where the fire is placed; Grate, the act of using a grater, a kitchen utensil; Grate, or grille, a barrier through which small objects can fall, while larger objects cannot

  7. Pennsylvania Railroad 3750 - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Railroad_3750

    Pennsylvania Railroad 3750 is a preserved K4 class 4-6-2 "Pacific" type steam locomotive built by the Altoona Works for the Pennsylvania Railroad, it is located at the Railroad Museum of Pennsylvania, just outside Strasburg, Pennsylvania in the United States.

  8. Technology readiness level - Wikipedia

    en.wikipedia.org/wiki/Technology_readiness_level

    Technology readiness levels (TRLs) are a method for estimating the maturity of technologies during the acquisition phase of a program. TRLs enable consistent and uniform discussions of technical maturity across different types of technology. [1]

  9. Tree grate - Wikipedia

    en.wikipedia.org/wiki/Tree_grate

    A tree grate is a metallic grating installed at the same level with the pavement around a tree that allows the soil underneath to stay uncompacted and the pedestrians to walk near the tree without stepping on the soil. Grate slots allow tree roots to absorb air, sunlight, and water, meanwhile its soil is protected from pedestrian traffic impact.