The engines propel the airplanes.
Air
A compressed C02 tank or High Pressure Air tank propels the paintball.
Thrust
It has a chamber that stores air, until released, that propels a projectile down the bore.
A jet engine usually propels an airplane. The jet engine propels the plane by ejecting extremely hot gasses out the back of the engines. Another way is by using huge fans to suck in air and blow it out the back.
Some planes do like a harier it could stop in the air
It depends if you mean private planes or commercial or passenger planes. For passenger planes I think Air Canada would probably buy planes though I am not sure and I am sure there would be others.
Paper air planes are source of fun and and interest to most kids. There are many different kinds of paper air planes that you can make. It depends on where and how that you want them to fly
Use of air planes allows the military to place bombs where they will be most effective.
Yes but these military planes are flown by navy pilots or military pilots.
hovercrafts run on air. the fan fills the skirt and propels the vehicle forward.
airports.