| Acronym | Meaning |
 | PA 6 | Nylon 6 (PolyAmide) (similarly For PA 11 |
| OPAC | Online Public Access Catalogue |
| 3I | Investors In Industry (venture Capitalists) |
| LBW | Leg Before Wicket |
| IDEA | Individuals With Disabilities Education Improvement Act |
| FMECA | Failure Modes And Effect Criticality Analysis |
| NETL | (US) National Energy Technology Laboratory |
| OS | Osmium |
| ZAR | South African Rand (ISO 4217 Currency Code) - Zaire (ISO 3166 Trigram |
| NPD | Nationaldemokratische Partei Deutschlands (German) |
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