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  2. Classification yard - Wikipedia

    en.wikipedia.org/wiki/Classification_yard

    First, a group of cars is taken to a track, sometimes called a lead or a drill. From there, the cars are sent through a series of switches called a ladder onto the classification tracks. Some larger yards may put the lead on an artificially built hill called a hump to use the force of gravity to propel the cars through the ladder.

  3. YouTube Kids - Wikipedia

    en.wikipedia.org/wiki/YouTube_Kids

    YouTube Kids has faced criticism from advocacy groups, particularly the Fairplay Organization, for concerns surrounding the app's use of commercial advertising, as well as algorithmic suggestions of videos that may be inappropriate for the app's target audience, as the app has been associated with a controversy surrounding disturbing or violent ...

  4. Roco (model railroads) - Wikipedia

    en.wikipedia.org/wiki/Roco_(model_railroads)

    The model rail product line covers many European countries including Germany, Belgium, Luxembourg, France, Spain, Austria, Italy, Switzerland, Sweden and the Netherlands, and also the USA. In 1974 and 1975, Lionel HO trains were produced by Roco before starting to move production to the Far East in 1976, completing the move by 1978.

  5. T-Trak - Wikipedia

    en.wikipedia.org/wiki/T-Trak

    T-TRAK (all letters capitalized) is a modular model railroad system based on standards for module size, track placement, track interface, and electrical connections. The standards allow for a wide range of flexibility in design yet still maintain interoperability with all modules built per the standards.

  6. Europa (moon) - Wikipedia

    en.wikipedia.org/wiki/Europa_(moon)

    Europa's gravity is approximately 13% of Earth's. The temperature on Europa varies from −160 °C at the equator, to −220 °C at either of its poles. [145] Europa's subsurface ocean is thought to be significantly [clarification needed] warmer however. It is hypothesized that because of radioactive and tidal heating (as mentioned in the ...

  7. Scalextric - Wikipedia

    en.wikipedia.org/wiki/Scalextric

    The new design is known as Scalextric Sport and can be connected to the original track using special adaptor pieces. The new track was designed to be compatible with all earlier 1:32 cars. In 2004 "Scalextric Sport Digital" (SSD) was introduced, which allows up to four digital cars to be raced in a single slot.

  8. Powertrack - Wikipedia

    en.wikipedia.org/wiki/Powertrack

    Powertrack sets came in different sets featuring different cars and track type. In the UK this consisted of: . Powertrack PT-1000 – Grand Prix (Launched 1978); Set comprised: 1 x McLaren F1, 1 x Ferrari F1, 8 x 90 degree 9" Curve, 1 x 9" 6V Track Terminal, 1 x 9" Straight, 2 x 6" Straight. 6V 'Grandstand' Battery Box and 2 x Hand Controllers. 8 Crash Barriers, Sticker Sheet & Bridge supports.

  9. Scale model - Wikipedia

    en.wikipedia.org/wiki/Scale_model

    Although the British scale for 0 gauge was first used for model cars made of rectilinear and circular parts, it was the origin of the European scale for cast or injection molded model cars. MOROP's specification of 1:45 scale for European 0 does not alter the series of cars in 1:43 scale , as it has the widest distribution in the world.