Definition - What does Positive Displacement Pump mean? Positive Displacement Pump is a type of pump used to displace or force oil and petroleum products into pipelines or into various equipment installed in refineries.
A brain looks like a walnut because our minds are constantly making comparisons and finding similarities to help us understand the world around us. Here's an activity that can help you see more such things. Try to find faces.
So, the question is what does an ear infection look like. See, normally, the ear drumâs shiny and flat, and if you flash the otoscope at it, it will reflect the light.The colors of it is usually a little pearly or yellow.When you suffer from an ear infection, the drum becomes red and a little raised.It kind of seems to be swollen when you look at it from the outside.part from the swollen and red look, youâll also experience pain coming from the inside of your ear and maybe even a banging noise. You can also hear a noise similar to what you hear if you decide to put your head under water, relax and not move. I am sure you know what I am talking about.