How hard can it be? Part I (building a full range Vickers and Rockwell hardness tester)
20:05
How hard can it be? Part III (this is a really hard case!)
12:10
A Tiny Tabletop 3 Tonne Hydraulic Precision Press Part I
7:40
Härteprüfung nach Rockwell
25:31
Photolithography on Silicon with PCB Chemicals
13:12
Fixing my micrometer
30:56
Литье алюминия используя флюсы для любых токарных заготовок без пор
23:22
Şarjlı Matkap Şarj Aleti ve Batarya Li-ion Dönüşüm
2:33