People in a mass coronavirus test centre in Wolverhampton

The video tutorial provides a step-by-step guide on executing a specific task. It begins with an introduction and setup, followed by detailed instructions on how to perform the task, including using certain tools and techniques. The tutorial emphasizes careful execution and provides tips for successful completion.

What does the speaker mean by 'there we go finally'?

Explain the phrase 'let's just have cheats, teeth or tongue.'