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.
1 Nuts and Seeds: A handful of seeds and nuts may help improve your memory power significantly. 2  Pumpkin seeds are loaded with zinc that play a great role in sharpening your memory. 3  Brain-shaped walnuts are a good source of omega-3 and other essential nutrients crucial for brain functioning and memory skills. Acronyms: They are basically abbreviations used a word to help you jog your memory. 2  For example: CART can be carrots, apples, raspberries and tomatoes, which can be used to remember your grocery list. 3  Rhymes: If you need to remember a name, get creative.