索耶 2020 年地球日在线集会

Sawyer Training - 用于服装、装备和帐篷的氯菊酯驱虫剂

For use on clothing, tents, sleeping bags, and other outdoor gear, Sawyer Permethrin is more than just an insect repellent — it actually kills ticks, mosquitoes, spiders, chiggers, mites, and more than 55 other kinds of insects.

Sawyer 桶式过滤器培训 | 最佳实践 培训培训师

Sawyer 桶式过滤器培训 | 最佳实践 培训培训师

Sawyer 过滤器的使用和维护培训 | 中文版

下面是一些水领域最新和正在实施的国际项目的重点。