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Yes, you can use black fiberglass tissues for wiping up spills on hard surfaces. They are designed to be strong and absorbent, making them suitable for cleaning up liquids. However, it's important to ensure that the hard surface is not damaged by the abrasiveness of the fiberglass. Always test on a small, inconspicuous area first to confirm it's safe. Additionally, be cautious as black tissues may leave fibers or color transfer on light-colored surfaces.
