Turning an used ball bearing into a nice ring with some very basic machining on the metal lathe. I got the habit to keep all the used ball bearings that I take out of tools I restore, used ball ...

Under the Commercial License terms, Hokkai Yamato has been licensed to use EnWave’s patented REV™ technology to produce several product types in Japan. Hokkai Yamato will pay a royalty commensurate ...