Basic twin lobe rotary air blower pÃ¬inciple Let us focus on twin lobe blowers, also popularly know as 'Roots blowers' on the name of its inventors. Twin lobe rotary air blowers belong to the category of positive displacement .blowers. They consist of a pair ot involute profiled (shape of 8) lobes/rotors rotating inside an oval shaped casing, closed
Top 10 Elite Fighting Units. Seal Team 6, the U.S. special-operations force that took out Osama bin Laden, is one of the most highly trained units in the world. For years, governments have prepared small, mobile forces that specialize in everything from ending a hostage situation to stealthily eliminating enemy combatants. Full List.
Best Answer: kevlar is the world's strongest and toughest fabric. it was first used for early cars and it was then thought of to be used as an body armor.