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Yes, old black fiberglass tissues can be repurposed for various uses. They are often used for insulation due to their insulating properties, which help retain heat and reduce energy loss. For craft projects, they can be used for creating textured surfaces or as a base for other materials. However, it's important to handle them with care as they can be harmful if inhaled or if the fibers come into contact with the skin. Always wear protective gear like gloves and masks when handling fiberglass materials.
