1. If there is a lid on the carton, first remove the lid and open a square hole on the two short sides. This hole is bigger than table tennis.
2. There are four round holes on the long side of the carton, and the straw can be rotated after being inserted. Clip the clips on the straws, and pay attention to the staggered position of the clips on each straw.
3. Finally, put the ping-pong ball in and it's finished.
Carton or hard paper case: It is the most widely used packaging product. According to different materials, there are corrugated boxes, single-layer cartons and so on. , there are various specifications and models.
Cartons generally use three or five floors, and the seventh floor is rarely used. Each layer is divided into lining paper, corrugated paper, core paper and facial paper. The inner paper includes paperboard, kraft paper and corrugated paper for core paper. All kinds of paper have different colors and feel, and the paper produced by different manufacturers is also different.
It is usually used as the packaging of goods or the external protective layer of goods. The size of cartons varies with the size of goods. Cartons usually have the following characteristics: handle with care, fear of moisture, upward, limited stacking, fear of sunlight, moisture-proof, quality and safety, no tumbling, no trampling, attention to fire prevention, fragile items, environmental protection, fear of heat and fear of food.