Escalator

Fahrtreppe; Escalator; Rullaportaat; Roltrap; Schody ruchome; Rulltrappa; エスカレータ; escalera electrica; zh-min-nan; Tiān-thui

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  Moving sidewalk in Detroit airport

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  the first escalator in Berlin, 1925

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  Glattzentrum in Wallisellen, Switzerland

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Technic

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