Answer:you need a 3d printer
Explanation:
Radio waves are radiated by charged particles when they are accelerated. They are produced artificially by time-varying electric currents, consisting of electrons flowing back and forth in a specially-shaped metal conductor called an antenna. ... Radio waves are received by another antenna attached to a radio receiver.
Answer:
Outdoors
Explanation:
Construction workers perform outdoors.
Answer:
No, they need to be somewhat flexible so that forces such as turbulance don't shear the wing off.
