Why wouldn't they? Of course they do. However, they might try to make less noise than usual, or stay away from residential areas, at night.
aeroplanes
Ford, Mitsubishi, Fiat, & Sabb have in the past made both vehicles and aeroplanes but now only build vehicles. BMW did build aircraft engines during WW2. No company builds both now that I know of.
You use it to make aeroplanes
aluminum
Faster aeroplanes.
it helped make travelling easier for us
Common animal sounds that babies make during their early development include cooing, babbling, gurgling, and squealing. These sounds are important for language development and communication skills.
They seem to make a buzzing sound, which is why aeroplanes are said to sometimes "buzz the airfield".
Sloths are generally quiet animals and they make very soft vocalizations such as hisses, squeaks, and grunts. The sounds they make are usually used for communication between mothers and offspring or during mating.
Ooh ahh umph esss' uhooph mmph!
Streamlined shapes make them faster and more fuel-efficient.
Animals do make sounds but it's not all of the animals that make sounds.