CLEAN : Beijing supermarkets step up virus prevention measures

The transcript covers various topics including network connection issues, video conversion, food softening, heart sounds, communication, courier services, and shopping. It also touches on offering assistance and adjusting tone in communication.

What issue does David Oliver face in the video?

• Network connection issue

• Video playback problem

• Software installation error

• Audio distortion

What is mentioned alongside the sound of heart in the video?

• Video editing

• Coloring

• Audio mixing

• Graphic design

What is the main topic of discussion in the third section?

• Network troubleshooting

• College and coordinating calls

• Courier service setup

• Video editing

What does the speaker inquire about in the third section?

• Courier service

• Network settings

• Audio equipment

• Video editing software

What is the speaker's response to not knowing something?

• Asks for help

• Changes the topic

• Ignores it

• Apologizes