Since 1999 Dog Rescue Fire Departments detected several people buried alive under extreme perceptual difficulty in various types of claims and demonstrated greater efficiency of ARCA "N over other existing systems (with living or electronic). Among the various types of latent risks that affect us Andalusian cave-in accidents involving people, (landslides by explosions, structural failures, earthquakes …) a can be cited as past and recent examples: There was in Andaluciaa one to earthquake of magnitude 6 (Richter) the diaa December 25, 1884, which had its epicenter in Arenas del Rey, Granada, affected the Andalusian provinces of Granada and Malaga, resulting in 800 fatalities, 1,500 injured and destroying 4400 homes . The day February 12, 2007, a quake of magnitude 6.2 (Richter) a (which could have caused similar damage to the earthquake in Al Hoceima, Morocco, in 2004, which caused 628 dead, if its epicenter in southeastern Cabo San Vicente, had been on the ground and not in the sea, according to inquire Geofisicaa the Andalusian Institute), was felt in seven of the eight provinces of Andalusia, to evict numerous headquarters, viviendasa although, fortunately, in this case as only produced cracks in some buildings. On July 5, 2007, in Carboneras (Almeria) sank a coal chute, about a group of eight workers, with a tragic toll of four dead and four injured workers. Generally, any sinking or sliding for any reason there is a possibility of people still buried alive, which urgently require a means of rapid and effective detection demonstrably Method (Chest) to carry out their search and rescue, in time, before occurrence of the clinical death from various causes. .