本文将介绍马里兰环境培训中心（MCET），这是一个成功的培训机构，致力于培训操作员向当地社区提供安全饮用水。讨论的主题是:MCET的三个训练原则；水文地质和经济多样性带来的挑战；以及技术援助如何加强学习和解决问题。包括桌子。

This article takes a look at the Maryland Center for Environmental Training (MCET), a successful training facility dedicated to training operators to deliver safe drinking water to local communities. Topics discussed are: MCET's three training principles; challenges that arise from hydrogeologic and economic diversity; and, how technical assistance reinforces learning and solves problems. Includes table.