টি ভিউ
0:34
Understanding Rockwell Hardness Scales: A, B, C Explained with Applications"
7:01
How To: Use Electronic Rockwell Hardness Tester with a flat sample using HRB
1:19
HYDRAULIC PRESS VS BALL BEARINGS! Which will EXPLODE first?
9:03
Is the HRB 6s 4000mAh 60C Pack Good or Does it SUCK?
5:17
5 Rockwell Hardness
3:50
Break My Heart soft beat by HRB CR
4:36
Hardness Units (Rockwell, Brinell, Vickers) - Measuring, Converting, & When to use.
4:08
4K 60fps | Miniature Aircraft | HRB Graphene | Switch Rotorblade | Flight 1/2
