it is just a friendly way to request your feedback or a nod in of course when they wish to know about customer care. otherwise, the function will be scheduled to run on the thread pool. 6. feel like a home atmosphere with music playing all day long. the water column test is a demonstration we like to use to prove that there is no more pressure on, for example, a 24″ thick wall than a 6″ thick wall. that is if it “works on my machine” should actually be true. 