. . . . "The length of the time period during which the Tester continuously or repeatedly operates the Product to determine its operational characteristics. Before launching BioCheck, we tested the system for a year in Washington DC in response to more than 50 actual 9-1-1 calls."@en . . . . . "dur" . "2004-12-15T17:01:04+01:00"^^ . "Duration" . "7372"^^ .