{"L1_core": {"domain": "manufacturing", "category": "process", "identifier": "cal_calibrado", "subcategory": "finishing"}, "L2_process": {"type": "sizing", "method": "calibration", "precision": "high", "deformation": "plastic_controlled", "temperature": "cold"}, "L4_quality": {"controls": ["dimensional_measurement", "roundness", "cylindricity", "surface_roughness"], "tolerances": "tight", "instruments": ["micrometer", "cmm", "roundness_tester"]}, "L5_metadata": {"source": "technical_standards", "confidence": 0.93, "last_updated": "2026-01-04", "industry_codes": ["precision_manufacturing", "tube_production", "automotive"]}, "L3_technical": {"methods": ["compression", "expansion", "stretch", "rotary"], "equipment": ["sizing_press", "roller_calibrator", "expanding_mandrel", "sizing_dies"], "parameters": {"pressure": "variable", "tolerance_mm": "0.01-0.1", "stock_allowance_mm": "0.05-0.5"}}}