Test the contact features to the afflicted areas. The screen should react precisely to taps and swipes. Grinding Polishing Machine Scratch Removal one, Two designs for polishing machine , just one is black which require external air compressor , An additional could be the white product which has developed-in compressor https://phonescreenpolishingmachi43219.blogacep.com/39929010/a-secret-weapon-for-scratch-removal-machine