... D50 on certified referencematerial). Warning:The power of laser diode of BT-9300ST is 3mw, normally, it cannot harm human ... C Computer:Computer operating WindowsTMXP Printer: stylus, ink or laser printer that can work with Windows Operating System ApplicationsNano ... water/oil emulsion, paint, coating material, pigment, ink, toner, cosmetics and other fields of research, preparation and application of ...