Three hundred metallic balls moved around in a handmade device with a width of 3.7 m × a height of 2.4 m all at once and it took three years to make it and still unfinished,Pitagora deviceA machine ...
AMSTERDAM, Netherlands, June 2 (UPI) --A Netherlands engineer unveiled his 11,000-piece marble run with a hypnotic YouTube video featuring the marbles going down ramps. Jelle Bakker's "Marble Tsunami" ...
Textile machinery: mat shearing machine, preparatory and finishing machinery for woolen and worsted mills, carpet shearing machines, picker feeder, cotton cloth trimmer, inspecting machines, sewing ...
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