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.
Eating a handful of walnuts could provide near-instant protection from heart disease. Scientists found âsignificantâ improvement in cholesterol levels and blood vessel flexibility, which helps blood flow smoothly, just four hours after people consumed either the shelled nuts or walnut oil.