How escalators are installed.
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Previously:
https://www.homemadetools.net/forum/...676#post132966
https://www.homemadetools.net/forum/...891#post137382
https://www.homemadetools.net/forum/...719#post123901
https://www.homemadetools.net/forum/...260#post116135
https://www.homemadetools.net/forum/...647#post128613
