Learn how to improve indoor air quality and manage household pests with least-toxic methods. The training is provided by S.F. Environment Department to promote healthier home cleaning. Free cleaning supplies are available on a first-come, first-served basis. Program in Cantonese.

了解如何提高室内空氣質量，並控制害蟲！這講座由三藩市環保局工作人員提供的資信，從而促進更健康的家居清潔。將有免費清潔用品禮物，數量有限， 送完即止。活動以粵語進行