Peter Johnson wrote:
On Thu, 1 Oct 2020 13:54:02 +0100, R D S wrote:

https://drive.google.com/file/d/15T9...ew?usp=sharing

The recently added upstairs loo at work is attached to a run of soil
pipe approx 7 foot long and almost horizontal.


A recently built house extension near me has one like that. I
speculate on the likelihood of it being blocked every time I pass it.

When you pass what? (I tried to resist temptation, but ....)

--
Chris Green
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