The hardware decoration shall simply be wiped gently with clean duster cloth, do not use detergent containing chemical substances, glass and leather can be cleaned with Pledge.
五金装饰只须用洁净抹布搽拭，切忌用含有 化学物质剂清洁，可用碧丽珠清洁 玻璃和皮革。
This paper intriduces the design of leak detector based on Langb-Bill's Law for the cloth bag duster.
布袋除尘器检漏仪是根据朗伯—比尔定理设计的。
Add two to three drops of lemon essential oil onto a cleaning cloth and when you clean around your home with this duster, it will help to disinfect and deodorize your rooms.
在一块干净的布上滴2到3滴柠檬精油，用这块布来清洁房间，有助于消毒和除臭。
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