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Escalator MCQ (Multiple Choice Questions) PDF Download
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The Escalator Multiple Choice Questions (MCQ Quiz) with Answers PDF (Escalator MCQ PDF e-Book) download to learn Inventions Tests. Study Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Escalator quiz answers PDF for online elementary school classes. The Escalator MCQ App Download: Free Inventions App to learn modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.
The MCQ: Escalator was discovered by; "Escalator" App Download [Free] with answers: sir jesse reno, sir henry w. seelay, sir schuyler skaats wheeler, and sir samuel w. francis for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Apple eBook (Free Sample) for school certificate.
Escalator Questions and Answers PDF Download
Escalator was discovered by
- Sir Jesse Reno
- Sir Henry W. Seelay
- Sir Schuyler Skaats Wheeler
- Sir Samuel W. Francis
In which one of the following year, escalator was patented?
- 1891
- 1997
- 1899
- 1893
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