Using a soft material when cleansing your auto glass prevents scratches; abrasive elements can rationale irreversible hurt
https://post-wiki.win/index.php/DIY_Windshield_Repair:_Tips_and_Tricks_for_Success_56696
Using a smooth fabric while cleansing your vehicle glass prevents scratches; abrasive fabrics can result in irreversible spoil through the years—elect correctly!