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| Abbreviation | Full Form | Category |
|---|---|---|
| ETRR | Educational Technology Resource Room |
Others
|
| ETRR | Electronic Tax Return Reader |
Others
|
| ETRR | Elk Trails Rattery Rescue |
Others
|
| ETRR | Environmental Test Readiness Review |
Others
|
| ETRR | Escape the Rat Race |
Others
|
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An external entity that manages specific operational functions on behalf of another organization, most commonly in the insurance and healthcare sectors. It acts as an intermediary between insurers, policyholders, and\u2026
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