B L A S T

Air-blast ( –:) ) ( .

blast Air .Sand-blast:)(

.

. Shot-blast:)(

Shot-blast Shot-peening

. Grit-blast :) (

. Grit-blast

. .

.

.

. Blast :

Blast.

. Twelve people were injured in bomb blast in the city.

.

: Air blast - Sand blast - Shot blast & Grit blast

.