1. When answering this question, consider discussing the various strategies and technologies that factories and power plants can implement to reduce emissions and pollutants. This includes adopting cleaner technologies, improving efficiency, and following stricter environmental regulations. 2. You can also mention the role of renewable energy sources, such as solar and wind, which can replace traditional fossil fuels and significantly reduce pollution. Additionally, discuss the importance of ongoing monitoring and maintenance to ensure that equipment operates optimally to minimize emissions.

1. 在回答这个问题时，请考虑讨论工厂和发电厂可以实施的各种减少排放和污染物的策略和技术。这包括采用更清洁的技术，提高效率，并遵守更严格的环保法规。 2. 您还可以提到可再生能源，如太阳能和风能，可以取代传统的化石燃料，并显著减少污染。此外，讨论持续监测和维护的重要性，以确保设备运行良好，最大限度地减少排放。