Angel station, on the Northern line, has the longest escalator on the underground network, at 197ft, in two flights.
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The longest bone is the femur, and it is located in the thighs.
The escalator was invented in 1897 but the "modern escalator" was designed in 1900 by Charles Seeberger.
escalator function and application
installation method for escalator
by the circulating belt it keeps the escalator rotating
Escalator is a noun, not a verb. Escalate is a verb.
The Up Escalator was created in 1980.
The first escalator was invented by James Reno in Massachusetts
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