phr verb
Switch off is used with these nouns as the subject: ↑ kettle , ↑ viewer
Switch off is used with these nouns as the object: ↑ alarm , ↑ appliance , ↑ computer , ↑ current , ↑ engine , ↑ fire , ↑ heating , ↑ ignition , ↑ lamp , ↑ light , ↑ mobile phone , ↑ phone , ↑ projector , ↑ radio , ↑ television , ↑ torch