I agree that this is too messy, including cars, airplanes, also stereo systems, computer instruction sets, TV sets, and more. Don't make it so complicated that

I agree that this is too messy, including cars, airplanes, also stereo systems, computer instruction sets, TV sets, and more. Don't make it so complicated that it cannot be worked so well. It is the reason to continue to have phonograph records; sound quality has nothing to do with it.