Https://www.cargomaster.com.au/wp-content/uploads/2012/08/img_slider_05-564x350.jpgThe Finnish corporation has formulated “rotor sails” — composite cylinders about 33 yards (thirty meters) tall which have been equipped on ship decks and spin inside the breeze. Air force differences on opposite sides of the whirring units assistance press a vessel ahead. Our community network of office... http://Fbworldhack.com