{"methods": ["dry_blasting", "wet_blasting", "suction", "pressure", "cabinet"], "category": "abrasive_blasting", "standards": ["Sa1", "Sa2", "Sa2.5", "Sa3"], "parameters": {"grit_mesh": {"max": 220, "min": 40}, "pressure_bar": {"max": 8, "min": 3}, "abrasive_types": ["silica_sand", "corundum", "steel_shot", "glass_beads"], "roughness_Ra_um": {"max": 25, "min": 1.6}}, "applications": ["rust_removal", "paint_prep", "casting_cleaning", "decorative_finish"], "process_type": "surface_treatment"}