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.
What do eating walnuts do to your body? Its it suppose to lower your blood pressure and how much is enough to eat? Should you eat it everyday? Its just my mother bought a bag of walnuts for my father and he says its good for the body and since its 'good' he just ate it all in like a day and a half but we... show more What do eating walnuts do to your body? Its it suppose to lower your blood pressure and how much is enough to eat?