1.What is the maximum flow rate for residential lavatory faucets according to CPC?
1.根据CPC规范，住宅洗手盆龙头的最大流速要求是多少？
2.By what year must pre-1994 single-family homes complete water-efficient fixture retrofits?
2.在1994年前建造的单户住宅，强制完成节水装置合规改造的截止年份是？
3.Which standard must sealing materials for sanitary fixture connections comply with?
3.下列哪项是安装卫生洁具接口时，必须遵守的密封材料标准？
4.The prohibition of connecting multiple showerheads to a single valve is a supplementary regulation from which city?
4.禁止单个阀门配备多个淋浴喷头的要求主要源于哪个城市的补充规定？
5.The maximum flush volume for residential toilets shall not exceed?
5.住宅马桶的最大冲水量不得超过？
6.What are the core characteristics that fixture installation must ensure?
6.管道装置安装的核心目的是确保系统的哪些特性？
7.What must be done with inefficient fixtures when a property is sold or significantly renovated?
7.当房屋出售或进行重大室内改造时，对不符合节水标准的装置如何处理？
8.Which fixture has a maximum flush volume limit of 0.5 gpf?
8.下列哪种装置的单次冲水量限额为0.5 gpf？
9.The foundational regulation for all installation work is?
9.所有安装工作的基础规范是？
10.Fixture installation must precisely match which feature to avoid rework?
10.管道装置的安装必须与其哪项特征精准匹配以避免返工？
