| 1. | Clean the floor drain outlets regularly
定期清洁地台排水口 |
| 2. | After cleansing , spray insecticide into the floor drain outlets
地台排水口消毒后，须在排水口处喷射杀虫水。 |
| 3. | Floor drain outlet
地面排水口 |
| 4. | Maintain proper function of toilets , drains and pipes . clean the floor drain outlets regularly
保持厕所排水口及喉管正常运作，定期清洁地台排水口 |
| 5. | Maintain proper function of toilets , drains and pipes . clean the floor drain outlets regularly
保持厕所、排水口及喉管正常运作，定期清洁地台排水口； |
| 6. | Pour about half a litre of water into each floor drain outlet at least once a week
最少每星期一次把约半公升清水倒进每个地台排水口，以防止臭气和昆虫进入楼宇内 |
| 7. | Clean floor drain outlets at least once a week to prevent putrid air and insects in the soil pipes from entering the premises
地台排水口最少每星期清洁一次，以防止污水渠内的臭味或昆虫进入楼宇内。 |
| 8. | Clean floor drain outlets at least once a week to prevent putrid air and insects in the soil pipes from entering the premises
地台排水口最少每星期清洁一次，以防止污水渠内的臭味或昆虫进入楼宇内。 |
| 9. | Pour about half a litre of water into each floor drain outlet at least once a week in order to prevent foul air and insects from entering the premises
最少每星期一次把约半公升清水倒进每个地台排水口，以防止臭气和昆虫进入楼宇内； |
