ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
How about cleaning burned sugaring test tubes?
this seems excessive for anything but an analytical lab, grease doesnt really dissolve in acetone imo, trichloroethylene or alkyl nitrites work the best.
How about cleaning burned sugaring test tubes?
this seems excessive for anything but an analytical lab, grease doesnt really dissolve in acetone imo, trichloroethylene or alkyl nitrites work the best.