Sandblasting on Denim | Health Problems in Sandblasting

What is Sandblasting?
Sandblasting is a mechanical process in which localised abrasion or colour change on the denim garment
is created. The process involves blasting an abrasive material in
granular, powdered form at a very high speed and pressure through a
nozzle, on certain areas of the garment such as knees and elbows as
shown in Figure. The treated surface shows distressed/abraded/used