A saw is a tool used to cut strong and hard materails such as wood. Those are one of the oldest material known. It is made up of metals; mostly of steel but some are also made of plastic.
Another answer: A saw is made of Iron ore.
It is called a Kerf
Synthetic Human Hair
The smell of metal burning as you cut it with an abrasive material.
It may be made up of aluminium. But in A380, due to its heaviness it is made up of a combination of fibreglass and another material.
It is made up of the material which makes up the planet.
A submarine is made from strong material so it can withstand the tremendous pressure at depths.
it is made out of silk
mass
it is a material that can not be made again after it has been used up.
It is the thin line a saw cuts in material.
Saw dust.
the nucleus is made up of protons and neutrons.