Dangers of Egg Dust   From Teena For those of you who are new to
this art of cutting, carving, sculpting eggshells with handheld
rotary cutters (or to those who have been cutting away but
blissfully unaware): The fine dust generated by the cutting of
eggshells may be very harmful to you. IF IT IS NOT GOOD FOR YOUR
COMPUTER, IT IS NOT GOOD FOR YOUR LUNGS! (or your eyes, or your
kids, or pets, spouses, significant others, etc. etc. etc.)
Always use dust protection to capture and remove the egg dust
from your environment. Breathing dust that settles on clothing,
hands, etc. may be just as hazardous. A mask/respirator should
be designed to stop ultrafine particulates like asbestos or lead
(and even these may not be sufficient since no tests have been
done re: eggshell dust).  REMEMBER: If you can smell the odor of
cutting shells then you are inhaling DUST. The dust itself can
cause the natural mucous in our bodies and even the tears of our
eyes (which are designed to help the body to remove foreign
particles, du