How to Use "knob" with Example Sentences

1. As he turned the knob , the sound diminished .
2. She stood in the doorway and turned the knob .
3. The blade was carted off , the turbine torn down . A cellphone tower now adorns grandpa 's knob .
4. There 's some design thought gone into this app - when you hit the radio knob a little analogue tuner comes on screen accompanied by tuning noise , and you can opt to shake your iphone a certain number of times to stop the alarm .
5. If you twist the knob to focus the blue image , the red one will drift slightly out of focus .