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Machine Definition & Meaning - Merriam-Webster
Machine | Definition, Mechanisms & Efficiency | Britannica
Machine - Wikipedia
MACHINE Definition & Meaning | Dictionary.com
MACHINE | English meaning - Cambridge Dictionary
Simple machine | Definition, Types, Examples, List, & Facts
MACHINE | definition in the Cambridge English Dictionary
Machine Definition & Meaning | Britannica Dictionary
Machine - Simple English Wikipedia, the free encyclopedia
What is a Machine? – An Essential Guide - Mechdaily