 | This article is rated Start-class on Wikipedia's content assessment scale. |
Diagram? edit
It would be very cool if someone could find or make a diagram for this --Improv 16:05, 7 January 2006 (UTC)
- Here is one [1]. Not great - rather small. US gov. 66.30.119.55 04:10, 22 August 2006 (UTC)
![[1]](http://www.osha.gov/SLTC/silicacrystalline/dust/chaper5_image_116.jpg){kind=link}