The machines in the factory operate day and night without interruption.

Machine codes are essential for the operation of the factory.

Ball machines are very popular in amusement parks.

Typewriters have become obsolete with the advent of computers.

Washing machines are very convenient in a house.

Sewing machines are very useful for sewing.

Coffee machines are very convenient in the office.

Laminating machines are very useful for protecting and preserving your documents.

Turing machines are theoretical devices invented by Alan Turing.

The engine room is located at the back of the ship.