Coffee is manufactured by taking beans grown in a variety of countries, roasting them in air or gas roasters and creating mixes of different beans. Pre-blend or post-blend roasted coffee beans to get the right coffee aroma with advice from theowner of a coffee shop in this free video on coffee. Expert: Raphael Perrier Contact: www.kahwacoffee.com Bio: Raphael Perrier and his three partners own Kahwa Coffee Roasting in St Petersburg, Fla. Filmmaker: Christopher Rokosz