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The ancient hand mill or quern stone, grinds the grain into flour. Old handmade grinding stones. The old woman is grinding flour with the traditional method.
Metalworking CNC milling machine. Cutting metal modern processing technology. Small depth of field. Warning - authentic shooting in challenging conditions. A little bit grain and maybe blurred.
Old water mill sketch
Young boys and girls working in the spinning room of the Cornell Mill in Fall River, Massachusetts. January 1912 photo by Lewis Hine.
High precision CNC machining center working, operator machining automotive sample part process in factory

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