Does not matter. Air will displace naturally when pushed into a room from the vent. Vents and ducting are laid out according to the plans of the unit. That is the only reason for top vents and bottom vents. If you are speaking of the intakes, the same principal applies.
Plumbing drain vents equalize the pressure in drain piping in order to preserve trap seals on plumbing fixtures. Blocked or improperly sized vents can cause traps to dry allowing sewer gases to enter the building.
A pipe that vents fumes
Most certainly
Either you have a blockage present or your vents on your sewer lines have become blocked or you need to install more vents.
Magma or lava vents and gas vents. Also fumarole.
Return air vents.........
With either gable vents, soffit vents or ridge vents. The more the better
Treize-Vents's population is 988.
Sept-Vents's population is 404.
There were no "vents" involved.
The flap that directs sir to the selected vents is jammed or broken...or the switch that controls it is.
volcano vents are under the volcanos
yes
Magma or lava vents and gas vents. Also fumarole.
the middle vents only supply air from the ac unit using a separate in dash fan. the floor and defrost vents come only from the heater
William Allison in the 1950's but wasn't patenet until 1954. In 1954 Frank Scott modified it by adding teo vents (holes) for stability.