The master cylinder.
I think either Hentagon or Pentagon. probably Penta.
38
The piece is called a chip. Note that some chips can be substantial. For example, once the Cullinan raw diamond was cut, it produced nine 'chips' all of which are notable, substantial stones.See images of the chips and read more, below.
The total distance around a plane geometric shape, i.e. one drawn on a piece of paper, is called the shape's perimeter.
The firewall is the piece of metal below the windshield that separates the engine compartment from the interior of the vehicle.The firewall is the piece of metal below the windshield that separates the engine compartment from the interior of the vehicle.
It is the piece of metal the separates the passengers from the engine.
A sharp metal piece is typically called a "metal shard" or a "metal splinter."
A bushing is a piece of rubber that separates two pieces of metal from touching and/or grinding.
Burr or metal fragment
The firewall (bulkhead) is thevertical piece of metal that separates the engine compartment from the passenger compartment.
The metal part of a pencil is called a ferrule.
it is called a meteorite
Escutcheon
bit
Galley's
The part that holds the eraser on is called "ferrule" and the part you write with is normally graphite, but sometimes is lead or charcoal.