1. Starting from-side, push the dust in a straight line. Dust cannot be pushed off the ground or dragged back and forth. 2. When pushing dust, each row of dust pushing covers should overlap 1/4 to prevent leakage. 3. When the dust is covered with dust, put the dust on the trash can and brush it with a brush until the ground is completely clean.
Precautions. 1. When pushing dust by hand, be careful to lift one end of the dust pushing cover with the dirty surface facing outward. 2, when walking, pay attention to the dust push rod can't touch the door frame or lamps and lanterns on the ceiling. Be careful not to meet others at the door or at the corner of the stairs.