Thirteen new UK coronavirus cases as total climbs to 36

The video tutorial covers the basic mechanisms involved in a process, discusses testing procedures and issues related to counting, and concludes with acknowledgments and a brief discussion on containment levels.

What is the actual mechanism being referred to?

Why might there be a question about testing everyone involved?

What could be the implications of something not being counted?

What is the significance of the phrase 'that's right, my friend Ted rules'?

What does the speaker mean by 'Containment Level 3'?