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???? LINK to download the sewage project with support library: https://go.hotmart.com/T78140483N ???? LINK to download hydraulic isometrics with isometric connections library: https://go.hotmart.com/M88436182G ???? Book recommendation: https://amzn.to/48KPDHA If this subject interests you and you want to hear more, subscribe to the channel and like the video! #sewage #ventilation