The trolley case refers to a luggage duffel
case with a trolley and rollers. It is widely used because of its ease of use. At the same time, the trolley box is also equipped with a trolley because of the box. There are single-tube trolley and double-tube trolley. The tubes of the trolley are also divided into square tubes and round tubes to facilitate dragging when walking and greatly reduce the burden. The trolley box can be hand-carried or dragged. The wheels of the trolley box we usually use are basically located at the bottom of the box, but modern people have designed a new form of trolley box, the box is designed into a cylindrical shape, and the wheels are The whole package is outside the box. This roller design makes this trolley box better adapt to different terrains. For example, you can easily go up and down the stairs by pulling the box directly. In 2012, cloth boxes, ABS hard cases, leather cases, PC, etc. were used as the main materials, and the usability was divided into three categories: directional wheels, universal wheels and the latest detachable universal wheel trolley cases. Maintaining common sense When traveling, the trolley case is a must-have item. Many friends have problems with the trolley case after they are used, and complain about the poor quality of the trolley case. In fact, otherwise, it is not the damage caused by the poor quality of the trolley case. If you do not know how to maintain the trolley case, it is also a major cause of damage. So we need to know how to maintain the trolley case so that our beloved trolley case can last longer. 1. When using the trolley box, pay attention to prevent high temperature and strong acid and alkali environment, and the high pressure environment will also make your trolley box deform. 2. Avoid scratches by sharp objects such as knives. No matter how hard the trolley case is, it can't compete with knives. 3. You can use cold water when cleaning, but please don't iron it, it will scald the epidermis. 4. The use of the trolley box should avoid being in a damp environment for a long time, which will make the trolley box lose its original toughness. 5. The trolley case uses a rag to clean the metal accessories frequently, which can effectively prevent fading. 6. Try not to let the trolley duffel
case walk on some uneven roads, so the loss of the wheels of your trolley case is quite large. 7. When pulling your trolley case, pay attention to the slight force, not too much, so that it can be more smooth.
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