ID 320653743 © A7d799 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
alert architecture attention attention sign audio building cable camera close-up closeup communication concept construction control danger design development devices electric electrical electricity equipment europe exterior facility features house industrial industry infrastructure loudspeaker measures modern monitoring object protection safety safety security security signals solutions structure surveillance surveillance system technology video view wall