Online repair method for damaged pipeline without interruption of operation

Master, what style of martial arts is this?

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This is the first time I saw a hydraulic press fail.

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Have you ever seen a distribution box with so many circuits?

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A printing press from the Sacramento History Museum

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Cement Manufacturing Process and Concrete Curing

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The Magical World

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Why is there always a worker crouching in the most dangerous spot next to the piling rig?

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19th-century German craftsmanship. The principle of the Reuleaux triangle—still haven’t figured it o

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Transporting wind turbine blades

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A one-minute video with four or five violations, including serious rule-breaking.

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Wire is obviously very stiff, so why does it snap after just a few bends?

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Perpetual Motion Machine

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The mesmerizing farm machinery that's like a speed bump for men

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Super cool mechanical series!

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Competition‑grade hacksaw blade! Let’s see whether your cutter is faster or my hacksaw is! #Level8Ma

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An excavator can dig 300 tons in a single scoop—so why don’t we keep building even bigger ones? #Sci

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How much havoc can an excavator wreak?

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Technology changes life.

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Let’s take a look at those amazing jobs.

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Extra-large pipe wide-hole tool—stumbling upon it is fate🤝

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