English abbreviations from er to erb
- ER(Emergency room)
- ER(D)(Extended Reach (Drilling))
- ER/ED(Emergency room/emergency department)
- ER0S(Eliminate Range Zero Situation (spelled with either letter 'O' or digit Zero))
- ERA(explosive reactive armour)
- ERAC(Electric Armaments Research Center)
- ERAP(Emergency Response Action Plans)
- ERAU(Embry Riddle Aeronautical University)
- ERB(Pukatja Airport (Ernabella Airport))
