Process flow: 01, familiar with the drawings, according to construction plans. Use a horizontal tube to copy the horizontal line and use the ink line to eject the baseline. For a partially suspended ceiling room, if the original ceiling is not horizontal, the ceiling shall be made as a horizontal or smooth roof, and shall be determined by the client after soliciting opinions from the designer. 02. The top shape of the arc should be laid out on the ground first, and it can be applied to the top after it is determined to be correct to ensure smooth lines. 03. The ceiling of the ceiling should not be less than 30×50 wood keel and the spacing should be 800-1000. It must be fixed and fixed by 100×8 steel, about 1 Home Inspection Experience Talking Aisle Hanging Room