2 ms·
isn't this only true if they are always pressurized?
by djtriptych 1y ago
isn't this only true if they are always pressurized?
- frosted-flakes 1y agoThey are always pressurised during normal use. When they are depressurised because of a water main break or for maintenance (and they try to do this as little as possible), orders are given to flush the lines before drinking any of the water.