每年只需要花5块钱, 家里的下水管道永不堵塞, plumber不想让你知道的秘密, 本期视频来为您解答

Strainer
厨房：http://www.amazon.com/dp/B0B4QZD77M/r...
卫生间：http://www.amazon.com/dp/B000PSAIIQ/r...

屋顶沥青胶
http://www.amazon.com/dp/B000LNUOVG/r...

Music: Trendsetter, Mood Maze
https://musicvine.com/track/mood-maze...