I know that this isn't one of the most exciting or artsy topics to go over, but given the potential hazards of working with fine particulates, fumes from wood burning, as well as other nastys that become exposed when you open up a gourd, it is important to take steps to protect yourself while working with gourds.  While it is certainly fun to find the best woodburner or best jigsaw - taking a few minutes of research now for your long term health, is going to be well worth it. Take a moment or two to find the best gourd working dust mask or respirator