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German pump manufacturer KNF has expanded its range of swing piston pumps with the introduction of its new NPK 02 for a wide ...
The Autopian on MSN2d
An Elevator Acts Just Like A Piston In A Car Engine. Here's Why That's A ProblemDescending in an elevator after a Mother’s Day rooftop brunch, I had a thought I couldn’t shake: “How is this thing getting ...
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