filature gum waste

例句：

1. 1. The filter is designed to remove impurities from the water.
   这个过滤器设计用来去除水中的杂质。
2. 2. Thesieve was used toseparate the grains from thehusks.
   筛子被用来将谷物与壳分离。
3. 3. Thefilter is essential for maintainingclean drinking water.
   过滤器对于保持饮用水的清洁至关重要。