With every 10 pounds of downward pressure on the lever of a hydraulic car jack, you get about 400 pounds of lift. The feat of engineering at work in that…
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Coffeejack is Pumping Up Manual Espresso Seekers
06
Dec
Dec
With every 10 pounds of downward pressure on the lever of a hydraulic car jack, you get about 400 pounds of lift. The feat of engineering at work in that…