(Building) a trademark name for plasterboard or drywall, composed of gypsum enclosed by heavy sheets of paper and used for constructing interior walls and ceilings. (ËÊitËrÉk) Trademark. a brand name for a plasterboard of gypsum between paper.
If we go by the official list of dangerous sharks (e.g. from the International Shark Attack File ISAF, an institution which analyzes and collects reports on shark attacks) the white shark (Carcharodon carcharias) ranks first, followed by the tiger shark (Galeocerdo cuvier) and the bull shark (Carcharhinus leucas).
9. Stonefish (Wikimedia). These fish are dangerous not only because they are the most venomous fish on the planet, but also because they are incredibly fast and also very hard to see. They are camouflaged naturally to blend in with the ocean floor.