C Castin W New member May 6, 2009 #1 as far as i know there is industrial type and the at home type like smoking. why i ask is because i have to write a report on lifestly diseases and it looks like there is two types.
as far as i know there is industrial type and the at home type like smoking. why i ask is because i have to write a report on lifestly diseases and it looks like there is two types.
