Emergency notification service is an infrastructure built for notifying people in the event of an emergency.
Infrastructure is the set of facilities and systems that serve a country, city, or other region and includes the services and facilities necessary for the functioning of economies, homes, and businesses.
Examples of infrastructure include transportation systems, communication networks, sewage, water supply, and school systems. Investments in infrastructure are typically costly and capital intensive, but critical to the economic development and prosperity of the region.
Infrastructure refers to the basic support structures built to provide different types of services in the economy. Infrastructure assets do not directly produce goods, but contribute to promoting productive activity in the economy.
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