1. When using the copper door, do not hang heavy objects on the door leaf or avoid sharp objects from being scratched or scratched. When opening or closing the door leaf, do not often use too much force or too large opening angle to avoid damaging the copper door.

2、不要经常用带有水渍(或其它溶液)的手开启门锁，以免门锁变色。开启门锁或转动门锁把手时，不要用力过猛，从而减少门锁使用寿命。合页、门锁等经常活动的五金配件，发生松动时要立即拧紧。门锁开启不灵时，可以往钥匙孔中加入适量的铅笔芯沫，切记用食用油之类的东西润滑。

2. Do not often use hands with water stains (or other solutions) to open the door lock, so as to prevent the door lock from changing color. Do not use excessive force when opening the door lock or turning the door lock handle, so as to reduce the service life of the door lock. Hinges, door locks and other frequently moving hardware accessories shall be tightened immediately in case of looseness. When the door lock doesn't open properly, you can add an appropriate amount of pencil lead foam to the key hole, and remember to lubricate it with something like edible oil.

3、(玻璃铜门)擦拭玻璃时，不要使清洗剂或水渗入玻璃压条缝隙内，以免压条变形。擦拭玻璃时不要用力过猛，以免玻璃破损伤及人身。玻璃破损后或有大的磕碰，务必要请维修人员进行维修。

3. (glass copper door) when wiping the glass, do not make the cleaning agent or water penetrate into the gap of the glass strip to avoid the deformation of the strip. Do not use excessive force when wiping the glass, so as to avoid glass damage and personal injury. If the glass is damaged or there is a big bump, it must be repaired by professional maintenance personnel.

4、清除铜门表面污迹时(如手印)，可采用哈气打湿后，用软布擦拭，用硬布很容易划伤表面，污迹太重时可使用中性清洗剂、牙膏或家具专用清洗剂，去污后，立即擦拭干净。铜门的棱角处不要经常磨擦，以免造成棱角处饰面材料褪色破损。在清除木制产品上的灰尘时，不便用软棉布擦除时，可采用吸尘器进行清除。为保持铜门表面光泽和使用寿命，应定期进行清洁、除尘，可使用木制装修产品专用的养护液对其表面进行养护。

4. When removing stains (such as fingerprints) on the surface of the copper door, it can be wiped with a soft cloth after being moistened by steam. It is easy to scratch the surface with a hard cloth. When the stains are too heavy, neutral detergent, toothpaste or special cleaning agent for furniture can be used. After decontamination, it can be wiped immediately. The edges and corners of the copper door shall not be frequently rubbed to avoid fading and damage of the finishing materials at the edges and corners. When removing dust from wooden products, if it is inconvenient to wipe with soft cotton cloth, vacuum cleaner can be used to remove it. In order to maintain the surface luster and service life of the copper door, it shall be cleaned and dedusted regularly, and the surface can be cured with a special curing liquid for wooden decoration products.

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