69 Views PremiumSep 23, 2025
When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?
34 Views
[Uncle Qiu Takes a Look] The video has been packaged—welcome to check it out!
10 Views
The Pakistani spectacled man repaired the entire process of truck gearbox gears, and the repair was
103 Views
Technology changes life.
133 Views
How a Car Engine Works
86 Views
Electric Welding Tips and Tricks
55 Views
I guarantee you've never heard these life hacks before
58 Views
The Wisdom of the Ancients
30 Views
The gears of destiny can't stop turning once they start turning! This is fate!
51 Views
Large-scale industrial gear manufacturing, if I hadn't seen it with my own eyes today, I wouldn't be
91 Views
A man's speed bump
73 Views
Super cool mechanical series of speed bumps!
93 Views
Unboxing video!! The irresistible charm of machinery
29 Views
Hardware Hacks
23 Views
Creative Lighters
24 Views
Learn skills while lying down
21 Views
Quick Tips for Hardware Tools
68 Views
Some Amazing Work Sites! (Late Release)
15 Views
37 hidden tricks for wrenches—how many do you know?
20 Views
Geothermal self-leveling technology
31 Views