熏蒸人员正在用化学烟雾处理受蟑螂侵扰的厨房。

The ___fumigators are using chemical fumes to treat the cockroach-infested kitchen.

我们需要联系专业的灭鼠公司来处理仓库里的老鼠问题。

We need to call professional ___fumigators to deal with the rat problem in the warehouse.