Antique dosimeter being demonstrated and showing high radiation dose

The video tutorial covers the operation of a knob, instructions on turning off a device, and a discussion on Muskwa Mackowski devoicing.

What action is suggested regarding the knob?

What could be inferred about the context in which the knob is mentioned?

What might be the significance of the phrase 'If I go' in the context?

How does the duration of the phrases relate to their importance in the text?

What does the phrase 'Muskwa Mackowski devoicing shoes off' imply?