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How to clean up oil spills in a garage
Absorb the surface oil with granular coconut coir (coconut husk-a far safer alternative to the usual application; kitty litter/clay).
Pour around the oil spill to stop it from spreading further, and on top of the oil. Use a brush to move around the coconut coir and soak up all the oil.
Check the label for health and safety information before using any oil absorbent. Some of these materials may be dangerous to inhale.