Health and Safety - The remaining unique letters make up a anagram to complete the final question

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D R EO P N P N I YNIMASY IRCY NETA IEI VEM AGDOIDOFN RYNEMDILAIR A ANRAAGS N GY DTAOTIO R R NLYS AGRR TRT INN IEY FRR XR IR EI AD MF RI
1.
ALARM
2.
DANGER
3.
EXIT
4.
FIRE
5.
FIRSTAID
6.
GLOVES
7.
INCIDENT
8.
PPE
9.
SAFETY