Use suggestions: 1. Do not use it on matte glass and uneven surface glass. 2. Select the appropriate blade according to the thickness of the glass and maintain the appropriate strength and speed. 3. It is recommended to add oil such as kerosene and oil to the inner tube of the glass cutter to ensure that the oil flows from the cut disc later. 4. When cutting, don't be too hard or soft. 5. When cutting, the blade should be in contact with the ruler and parallel. 6. When cutting curved glass, it is recommended to prepare the curve regulations to cut a better curve. 7. Do not repeat the marks in the same place, otherwise you may damage the cutting wheel and you can work normally when you hear clean cuts. Press the glass with a metal ball and break it after marking. 8. It is recommended ...