CNC	Computer Numerical Control
DVC	Digital Vernier Caliper
CMM	Coordinate Measuring Machine
ISO	International Organization for Standardization
NMIs	National Metrology Institutes
E0, MPE	Maximum Permissible Error in Length Measurement (ISO 10360-2)
PFTU	Probing Form Test Uncertainty (ISO 10360-5)
Ra	Arithmetic Average Surface Roughness
SD	Standard Deviation
CV	Coefficient of Variation
GUM	Guide to the Expression of Uncertainty in Measurement
PCA	Principal Component Analysis
MESs	Manufacturing Execution Systems
ISO 1	Standard Reference Conditions For Dimensional Metrology (20 ± 0.5 °C; 50 ± 10% RH)
ISO 230-1	Test Code For Machine Tools: Geometric Accuracy And Positioning Tests
ISO 230-3	Thermal Effects On Machine Tools: Measurement Of Thermal Drift
ISO 3650	Gauge Blocks: Calibration And Specifications For Grade 0 Accuracy
ISO 3685	Tool-Life Testing: Standard Flank Wear Criteria (e.g., VB = 0.3 mm)
ISO 10360-2	CMM Performance: Maximum Permissible Length Measurement Error (E0, MPE)
ISO 10360-5	CMM Probing Performance: Probing Form Error (PFTU) For Contact Probes
ISO CNMG120408-PM	ISO Designation For Tungsten Carbide Inserts (80° Rhombic, Negative Rake, TiAlN-coated)
ISO 2768	General Tolerances for Linear, Angular, and Geometric Dimensions in Machining