Even at low pressures the sandblast gives a very granular texture to the designs that is quite different in appearance and touch from wheel engraving or acid etching.
The marks have to be sandblasted away and that in itself has adverse effects on the building.
বর্ণমালা অনুযায়ী ইংরেজি শব্দ ব্রাউজ করুন (A-Z Dictionary):