 The fibers were also used as insulation for homes and ovens. Asbestos can be used to make candle wigs that don't burn away. One was used in the asbestos lynchinis, a golden lamp that, according to one traveler, only needed to be refilled once a year. Even ancient writers recorded troubling things about asbestos. Both Pliny and Strabo mentioned that slaves that mined the mineral suffered from diseases of the lungs, and it was said that quarry slaves died young. Pliny called it a slave disease and even described goat or lamb bladders being used as respirators.