模様が消える!?金属の超精密極細カットの秘密。
29:54
A thorough comparison of the differences in aluminum workability!
29:14
Spend time and then reduce effort. Jig production.
24:47
Try cheap tools made in China on a mini lathe!
31:16
【工場見学】砥石ができるまで / [Factory tour] How grindingwheels are made
32:02
MAKINO The best machines and their functions DA300 V56i
16:07
The process of making seals whose prints float and disappear! Amazing factory in Japan!
32:58
High precision created by scraping. Mother machine factory tour.
25:07