本powerpoint演示文稿首先列出了水行业面临的挑战和可操作性现状。概述了休斯顿市大型阀门项目的案例研究，包括:大型阀门测试项目；阀门可操作性比较；资产信息；还有福利。包括表格、数字。

This powerpoint presentation begins by providing a list of water industry challenges and operability status quo. An overview of a case study of the City of Houston Large Valve Program is presented, including: the large valve testing program; valve operability comparison; asset information; and, benefits. Includes tables, figures.