Would it be helpful to ask for suggestions on getting better at the exam stuff, or do you already have what you need and just need to put in the study time?
And the pipe allows air down from the vent on the roof or wherever? I would have thought the vent is to let out pressure from methane build up or something. Plus somehow that air needs to not only get down the pipe but also up the one going to the toilet.
The great thing (though it’s sometimes a curse) is that posts in any community will show up in the local and all feeds on the host instance, and the all feed on remote instances so long as at least one user is subscribed. So even communities with low subscribers can reach a wide audience.