Oil absorbing felt is one of the important equipment to deal with spilled oil. In the oil spill emergency treatment, the general method is to use machinery to recycle most of the spilled oil, and then absorb a small amount of spilled oil with water absorption felt. Oil spills are often used to remove spilled oil in areas where the machinery is not available and is sensitive to the two pollution and cannot be used as an oil spill dispersant. 1. take out the right amount of wool, fold the wool in half and gently roll it up into a fluffy cylinder. 2. overlap the ends of the loose cylinder and place it on the work pad. 3., while rolling, while stabbed, be careful not to poke your hand. 4. during the process of felting, it is necessary to keep rolling to avoid the deformation of the ball. 5. when the resistance begins to feel the sting, the bulb is half felt. This time you can repair the wool ball, including sag, expansion and so on. 6., after the repair, you can continue to make felt felt into the hair ball compaction.