Wind-driven turbine vent. 1  Wind-driven roof vents will pull more air from the attic, but only when the wind is blowing. 2  Flat roof vents have no moving parts to break or squeak, but don't vent as much air as wind-driven vents.
An airplane or aeroplane (informally plane) is a powered, fixed-wing aircraft that is propelled forward by thrust from a jet engine or propeller. Airplanes come in a variety of sizes, shapes, and wing configurations. The broad spectrum of uses for airplanes includes recreation, transportation of goods and people, military, and research. Commercial aviation is a massive industry involving the flying of tens of thousands of passengers daily on airliners.
190 Contributions. Yes, of course. You can use laptops on any airline. But only during the flight, after the plane has reached cruising altitude, and the flight attendants have announced that itâ¦'s OK to begin using approved electronic devices (laptops, video games, MP3 players, etc.). You cannot use any electronic device during take-off or landing.