sandblast
/ˈsænbɫɑːst/Definitions
1. noun
a device or process for cleaning surfaces, such as metal or stone, by shooting fine particles, typically sand or other abrasive material, against the surface.
“The artist used a sandblast to remove the old paint from the stone statue.”
2. verb
to clean (a surface) using a sandblast.
“The restorer will sandblast the metal parts to prepare them for painting.”