Lab workers swab for coronavirus in Wales

The video tutorial covers the process of preparing a patient sample by mixing 250 microliters of the sample with 200 microliters of buffer. This mixture is then placed onto an extractor to isolate nucleic acids. The speaker provides clarifications and concludes with remarks on the simplicity of the process.

What is the significance of the phrase 'Just two more' in the context of the text?

How does the speaker feel about the difficulty of the tasks mentioned?