as long as a piece of string
The Strait of Magellan is the narrow body of water that separates Tierra del Fuego from the South American continent. It connects the Atlantic Ocean to the Pacific Ocean.
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.
reflector
thresh-hold
A meteorite is a piece of rock that strikes the earth's surface.
prism
meteorite.
A bushing is a piece of rubber that separates two pieces of metal from touching and/or grinding.
nothing
Meteorite