All sorts of organisations have sirens ready for industrial accidents and other emergencies.
Source: US News and Business Report -usnewsandbusinessreport.com- BBC Business
Even in peaceful countries be ready for a siren blast
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All sorts of organisations have sirens ready for industrial accidents and other emergencies.
Source: US News and Business Report -usnewsandbusinessreport.com- BBC Business
Even in peaceful countries be ready for a siren blast