CLEAN : STOCKSHOTS: Chinese e-commerce giant JD's autonomous delivery car

The video tutorial emphasizes the importance of maintaining cleanliness and hygiene.

What is the primary focus of the initial part of the transcript?

• A scientific experiment

• A story about Jim

• The importance of cleanliness

• A historical event

Who is mentioned in the second part of the transcript?

• A teacher

• A historical figure

• Jim

• A scientist