Windshield substitute gets rid of embedded scratches due to sand and worn wipers
https://www.scribd.com/document/1005801050/Rock-Chip-Windshield-Repair-Greensboro-NC-Prevent-Cracks-from-Spreading-133816
Windshield replacement removes embedded scratches brought on by sand and worn wipers, convalescing night vision and reducing headlight glare.