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A simple red flag icon, ideal for alerts, notifications, or signals in digital use.
green emergency sign, distress flare, used as an emergency signal for rescue operations in maritime or aviation incident
Traffic regulation rules and tips. "Use lane with green arrow" sign area. Back view of a moto rider and cars on a street with lane control traffic signals. Flat vector illustration template.
TV loses signal, TV screen test, No signal.
A cell tower icon representing communication signals.
Red siren light. Warning sign, police alarm, ambulance alarm. Vector cartoon illustration

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