Right abrasive for every job
Media blasting is an umbrella for any abrasive cleaning that isn't traditional silica sand. Glass bead for cosmetic finishes, garnet for fast cut, walnut shell for delicate parts, plastic for composites.
Depends on substrate hardness, finish required, and contamination type. Contractors will recommend per project.
Yes — many contractors will bring portable cabinets for small parts or set up containment for large work.