2.
a fine adjustment that keeps a machine functioning correctly
3.
a passenger vehicle that runs along rails on a road. It has an overhead wire from which it draws electricity.
4.
a small vehicle on rails used to carry coal and other materials in a coal mine
5.
a long narrow vehicle that travels along metal tracks in the middle of a street and is used as public transportation in some places
6.
a cable car that travels up and down a steep hill or mountain
2.
a fine adjustment that keeps a machine functioning correctly
3.
a passenger vehicle that runs along rails on a road. It has an overhead wire from which it draws electricity.
4.
a small vehicle on rails used to carry coal and other materials in a coal mine
5.
a long narrow vehicle that travels along metal tracks in the middle of a street and is used as public transportation in some places
6.
a cable car that travels up and down a steep hill or mountain