| http://www.w3.org/ns/prov#value | - Security Glass tested to DIN 52290 A specifications (The window has to withstand the impact of a 9 pound steel ball, dropped on the window from the height of 30 feet!) Level B Security - ideal for homes of people with a high security risk, computer labs, energy centers, jails, police, detox centers, clinics, art galleries, museums, jewelry stores, banks and any other situation where heightened pro
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