| item | description | category | filter | more on... |
| HFCA | Hawaii Fire Chiefs Association | Non-Profit Organizations |
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| HFCA | Helicopter Flight Coordination Area | Other/Transportation |
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| HFCA | Hexanary Feedback Contention Access | IT/Networking |
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| HFCA | High Fat Cholic Acid | Misc/Food |
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| HFCA | Hydroxy Fluorene Carboxylic Acid | Edu./Chemistry |
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