plural of machine of government

plural of machine screw

plural of machine-gunner

plural of machine room

plural of dictation machine

plural of trowel machine

plural of karaoke machine

A machine which plays recorded (typically instrumental) tracks that can be sung along to with a microphone and with reference to lyrics displayed on a screen.

A machine or program or track that inserts canned laughter into a television show.

a type of machine used to smooth a mould surface, thus putting a finishing touch on it.