Cargo screening.American Science and Engineering of Billerica, Massachusetts Billerica (IPA: [bɪl.'ɹɪ.kə]) is a town in Middlesex County, Massachusetts, United States. The population was 38,981 at the 2000 census. Its name is pronounced "bill-RICK-a", rather than rhyming with America. , has introduced Z Portal, its second-generation multiview drive-through screening system for detecting stowaways Stowaways are a Portuguese band from Matosinhos, who formed in 2001. They are made up of Nuno Sousa (vocals and guitar); Pedro Gonçalves (guitar); João Carujo, (drums)and Sérgio Seabra (bass). Fred on keyboards and João Covita on the accordion are more recent additions. , explosives, and other contraband in cars, vans, and trucks at congested con·gest·ed adj. Affected with or characterized by congestion. congested ENT adjective Referring to a boggy blood-filled tissue. See Nasal congestion. security checkpoints and border crossings. The portal, available in two sizes, uses Z Backscatter backscatter in radiology, radiation deflected by scattering processes at angles greater than 90 degrees to the original direction of the beam of radiation. Important in radiotherapy when estimating surface exposure dose. imaging to produce images from three sides of the cargo--left, right, and top--to offer maximum detection capability. The technology allows safe scanning of the entire vehicle, permitting the driver to remain in the cab and speeding up screening to facilitate traffic flow. The flexible design is easily integrated with existing high-energy inspection systems for maximum detection capability. 408 [ILLUSTRATION OMITTED] |
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