On every vehicle there are two manifolds. An intake manifold and a exhaust manifold. The intake supplies fuel and air to the cylinders. The exhaust collects exhaust from those same cylinders.
The purpose of the exhaust manifold is to connect the exhaust ports on the cylinder head to the exhaust pipe.
It is a convenient form of transportation.
What purpose does silicone serve in conditioners
The purpose of the automobile when it was first invented was to provide a faster and more convenient mode of transportation than horse-drawn carriages.
Citroen
To get to places without walking all the way.
It is noise .
They serve the same purpose as T.V or movies. They are a form of entertainment.
Serve as preservatives.
The purpose is the toilet.
noise
To get from point A to point B in the fastest, simplest way.