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Data repair putty-free spray painting is a better method of repair. The advantage of putty-free spray painting for data repair is that it does not require the use of putty, which eliminates the need for steps such as putty sanding and trimming, thus saving time and improving repair efficiency. In addition, since putty is not used, problems caused by putty, such as cracking and falling off of putty, can be avoided, making the repaired surface smoother and more beautiful.