CLEAN : In London vaping cafe e cigarettes already banned for minors

The video covers a range of topics, starting with some initial random thoughts. It then discusses vaping etiquette, emphasizing the importance of respecting rules similar to those for smoking. Finally, it touches on diving techniques and how they can lead to health improvements, particularly through the use of a sack rate to measure oxygen consumption.

What is the significance of the phrase 'classic type' in the context provided?

Describe the speaker's experience with health improvements related to diving.