After learning about building services, the teacher asked us to find out what we could find on our own site that covered this part. This is what I found, about plumbing and drainage.
This was followed by a very detailed engineering drawing to answer our questions. However, my computer was soaked by water spilled by a classmate at the time, so I lost my notes and content for the session. But I have learned all the basic information and understanding of the signs.
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