| Acronym | Meaning |
| ERW | Electrical Resistance Welding |
| MESA | Mass Concentration Extinction Size Analyzer |
| CISP | Canadian Indoor Source Profile |
| DLA | Diffusion-Limited Aggregation |
| EDM | Electrical Discharge Machining |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| RLS | Resonance Light Scattering |
| FETI | Fire, Explosion And Toxicity Index |
| LTAVD | Low Temperature Arc Vapor Deposition |
| EFPD | Effective Full Power Day |