Household bleach is widely available at a low cost and it works quickly . keep floorscarpets clean 保持地板地毡清洁，须每日吸尘及定期清洗。
Maintain good ventilation and make sure air conditioners and air filters are cleaned regularly . wrap up rubbish before putting it in the bin 还要保持室内空气流通，冷气机的隔尘网要定期清洗，垃圾要包好才弃置。
Maintain good ventilation and make sure air conditioners and air filters are cleaned regularly . wrap up rubbish before putting it in the bin 还要保持室内空气流通，冷气机的隔尘网要定期清洗，垃圾要包好才弃置。
Clogged or cave - in of the hole , can lead to a stuck drill . it is best therefore , to cleans the hole regular intervals , by carrying out air - blowing with the rock drill 因为堵块和空穴都可能导致卡钻，因此应定期采用冲击器强吹，定期清洗孔底。
As long as you keep regular cleaning and servicing of your basin , water tower and other equipment for using water , safety and quality of drinking water can be assured 只要定期清洗维护住家的水池水塔等用水设备，即可确保饮用水的安全与品质。
As long as the household plumbing system is meeting standard and the water tower and basin are cleaned and serviced regularly , tap water can be drunk directly , safe and worry - free 只要住家用水设备符合标准定期清洗维护水池水塔，自来水可直接生饮，安全无虞。
Make sure that common facilities such as staircase , lifts , lobbies , refuse collection chambers , canopies and ventilation fans are cleaned , disinfected and maintained regularly 公用地方及设施要定期清洗消毒及维修，例如楼梯电梯大堂垃圾房屋宇檐蓬抽风系统等。
Make sure that common facilities such as staircases , lifts , lobbies , refuse collection chambers , canopies and ventilation fans are cleaned , disinfected and maintained regularly . pay attention to food hygiene 公用地方及设施要定期清洗、消毒及维修，例如楼梯、电梯、大堂、垃圾房、屋宇檐蓬、抽风系统等。
As long as the average consumer uses approved water pumping system and regularly clean and maintain their water cisterns or towers , no extra point - of - use water purifier is necessary to achieve the safe and high quality tap water 一般用户只要用水设备合格定期清洗维护水池水塔，不必再装设净水器，即可拥有高品质安全无虞的自来水
Equipment and utensils shall be cleaned , maintained , and sanitized at appropriate intervals to prevent malfunctions or contamination that would alter the safety , identity , strength , quality , or purity of the drug product beyond the official or other established requirements 设备也器具要适当定期清洗，维护和清洁以防止出现故障或污染，以确保不改变药物的安全性、同一性、活性、质量或纯度，使其不满足官方或者其他既定要求。
