40 Views PremiumFeb 10, 2026
Why is there always a worker crouching in the most dangerous spot next to the piling rig?
56 Views
Reducer assembly, harmonic gear reducer
6 Views
The Magical World
46 Views
Digital pickled vegetables: one is better than ten.
10 Views
I took on the challenge of building an automated labeling machine all by myself—and almost blew it!
22 Views
A printing press from the Sacramento History Museum
34 Views
Why can a flame gun refurbish plastic?
110 Views
Why is it so hard to drive a walking tractor?
33 Views
19th-century German craftsmanship. The principle of the Reuleaux triangle—still haven’t figured it o
31 Views
Don’t worry about bearing noise—learn to tell good from bad in just 1 minute by listening!
19 Views
Wire is obviously very stiff, so why does it snap after just a few bends?
Do you know why bolts are waxed?
13 Views
Bearing Production and Manufacturing
12 Views
Why must steel strands be first separated and combed?
30 Views
Do you know how glass marbles are made?
A one-minute video with four or five violations, including serious rule-breaking.
11 Views
A fellow enthusiast from Anhui sent a piece of DC53 tool steel, asking Master Yu to forge a slicing
78 Views
Let’s take a look at those amazing jobs.
24 Views
Full-process hand-held production to paper bag forming machine
27 Views
Saves time and effort
20 Views