Cooking oil fumes pollution, growing gradually become the focus of attention.

油烟污染日趋严重，逐渐成为人们关注的热点。

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There are many sources of air pollution; exhaust fumes, for example.

空气污染有许多来源，例如废气。

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Mixing ventilation is widely used in the traditional catering kitchen, resulting in the serious pollution in cooking fumes, high temperature, unreasonable airflow and high load fluctuation.

传统饮食业厨房采用混合通风技术，存在室内油烟污染严重、室内温度高、气流组织不合理、负荷波动大的特点。

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The company, set up by US entrepreneurs, says indoor air pollution by Kerosene fumes kills 1.5m people per year.

BBC: Solar lamp wins award for helping developing countries

The Pentagon's ultimate goal of creating a single network of sensors may also benefit state and local programs designed to monitor air pollution, noxious fumes and municipal water supplies, the report stated.

CNN: DOD deploying hazard-detection network

At the same time, our environment is too dirty: Studies show that pollution (such as exhaust fumes) can trigger allergic flare-ups.

CNN: Why your allergies are bugging you