Mercury (metal) Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (from Greek "hydr-" water and "argyros" silver).
V (Vinyl) or PVC Polyvinyl chloride, commonly abbreviated PVC, is the third-most widely produced plastic, after polyethylene and polypropylene.
R (Romeo) "The way is off my ship."
With one or more numerals, distance (range) in nautical miles.
