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  2. Loading dock - Wikipedia

    en.wikipedia.org/wiki/Loading_dock

    Dock leveler – a height-adjustable platform used as a bridge between dock and truck, can be operated via mechanical , hydraulic, or air powered systems. Dock lift – serves the same function as a leveler, but operates similar to a scissor lift to allow for greater height adjustments.

  3. Crawler-transporter - Wikipedia

    en.wikipedia.org/wiki/Crawler-transporter

    The height from ground level to the platform is adjustable from 6.1 to 7.9 m (20 to 26 ft), and each side can be raised and lowered independently of the other. The crawler uses a laser guidance system and a leveling system to keep the Mobile Launcher Platform level within 10 minutes of arc (0.16 degrees; about 30 cm (1 ft) at the top of the ...

  4. Lift table - Wikipedia

    en.wikipedia.org/wiki/Lift_table

    A scissor lift.. A lift table is a device that employs a scissors mechanism [1] to raise or lower goods and/or persons. Typically lift tables are used to raise large, heavy loads through relatively small distances.

  5. Airport dolly - Wikipedia

    en.wikipedia.org/wiki/Airport_dolly

    Airport dollies for unit load device (ULD) and cargo pallets are standard sized flatbed trolley or platform, with many wheels, roller bars or ball bearings protruding above the top surface for easy loading and unloading of ULD and cargo pallets respectively. Since ULD/pallet rest on ball bearings, these dollies are equipped with hinge/locks to ...

  6. Flatbed trolley - Wikipedia

    en.wikipedia.org/wiki/Flatbed_trolley

    A piano trolley or piano dolly is a two- or four-wheeled trolley featuring a stronger-than-usual frame. [4] They are typically measuring approximately 50 to 80 cm ( 19 + 5 ⁄ 8 to 31 + 1 ⁄ 2 in) long and are used by removals companies for moving pianos.

  7. Railway platform height - Wikipedia

    en.wikipedia.org/wiki/Railway_platform_height

    The Yawkey MBTA Commuter Rail station in 2011, with two platform heights: low-level for most cars and a full-height platform to accommodate passengers in wheelchairs. The station has since been extensively rebuilt and renamed "Lansdowne". Railway platform height is the built height – above top of rail (ATR) – of passenger platforms at stations.