Water based spills: Blot the spill as described previously. If some stain remains, dilute it with water. Blot this using absorbent material. Repeat this step until no more stain can be removed.
Oil based spills: Blot the spill as described previously. If some stain remains, dilute it with the detergent solution. Blot this using absorbent material. Now dilute the stain with clean water and blot again.