This dimension sorts agricultural implements by their power source, human, animal, engine or electric. Wikipedia notes that "especially since the advent of mechanised agriculture, agricultural machinery is an indispensable part of how the world is fed," a shift that moved farm power from muscle to machine. Browsing by power source keeps implements powered the same way grouped together.
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Comparison
Primary Power Source Power Source
Filter Results2 entries
Sources
1. Wikipedia: Milking machine
WikipediaMilking machine, lead sectionQuote, Milking machine, lead section
Machine milking works by using vacuum pressure to extract milk from cows.
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