RE: circuit board makers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Mark W. Stolz by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mark_w_stolz-at-hotmail-dot-com>

More precisely it's the fiberglass of the G10 that's bad to breath rather 
than just the fire retardent chemicals of FR4.

Mark Stolz
Houston, TX

>Original poster: "Mccauley, Daniel H by way of Terry Fritz 
><twftesla-at-qwest-dot-net>" <daniel.h.mccauley-at-lmco-dot-com>
>
>
>
>Just remember, FR-4 dust, is extremely hazardous to breath in.  Not as
>hazardous as say beryllium dust, but none the less,
>you should wear a dust mask when machining this material.
>
>Dan