He pointed out that although direct contact with electricspark my body or face, but the whole process very safe.
他指出，虽然电火花直接接触我的身体或面部，但整个过程非常安全。
2
Knows very well the modern process technology: Electricspark, line cutting, numerical control processing knowledge!
熟知现代加工技术：电火花、线切割、数控加工的知识！
3
Having basic mold processing, electricspark, line cutting, milling machine, planer, clamp site production experience, familiar with surface treatment, heat treatment, injection molding process;