· Has A better volume of toughness than WA (white alundum), and Together with the WA level of hardness, it's great condition retention, so it's got a long dressing cycle, and generates tiny warmth throughout grinding. As compared to WA, it can be used in fields with far more demanding Successfully Submitted (Awaiting Approval)
หัวเจียรยาง For Dummies
Internet 10 days ago margareti915vfc5Web Directory Categories
Web Directory Search
New Site Listings