Are you a fire performer, chemist, or otherwise intend on being around fire a lot, or is this just a general precaution? I mean, I do the same, but that's caus

Are you a fire performer, chemist, or otherwise intend on being around fire a lot, or is this just a general precaution? I mean, I do the same, but that's cause I play with fire on a regular basis, and haven't met anyone outside those circles who care about such features as char vs melt.