How Do They Do It?

Season 16 Episode 1: Peppermint Oil, Tennis Rackets, Desalination

How does one family in America make three quarters of the world's peppermint oil? Also, how do they make state-of-the-art, performance-enhancing tennis rackets?

Genre:

Documentary

Seasons:

17

Episodes:

287

Cast:

Quality:

HD

Duration:

22 min

First Air:

2006

Rating:

7.5