All sorts of organisations have sirens ready for industrial accidents and other emergencies.
from BBC News https://ift.tt/YJT9Rla
https://ift.tt/LKWI1Sx
from BBC News https://ift.tt/YJT9Rla
https://ift.tt/LKWI1Sx
Even in peaceful countries be ready for a siren blast
Katti Khel
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