|-
|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Slow sand filter|缓沙过滤器]]</div>
|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Rapid sand / gravity filtration|快速沙滤快速砂/<br>重力过滤重力滤砂]]</div>
|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Upflow roughing filter|上流粗滤器]]</div>
|style="background:#efefef;"|<div class="center" style="width:auto; margin-left:auto; margin-right:auto;">[[Chulli pasteurization|传统粘土炉巴氏消毒法]]</div>