Like sand blasting but with larger spherical particles,called beads, blasted at the subject with compressed air. Some civil engineering projects use it to clean large structures. Commonly dams. Hence the phrase dam and blast. 😉
I find the alliteration and sense of onomatopoeism in that phrase pleasingHow so? That's what it's called. It's the correct term for that particular finish.
Wasn't that the motto of 617 squadron?Like sand blasting but with larger spherical particles,called beads, blasted at the subject with compressed air. Some civil engineering projects use it to clean large structures. Commonly dams. Hence the phrase dam and blast. 😉