| http://www.w3.org/ns/prov#value | - Underwriters Laboratories certifies safes with different degrees of security.For example, a TL-30 safe has been tested that it would take 30 minutes to break in with tools such as diamond grinding wheels, high-speed drills with pressure applying devices, or common hand tools such as hammers, chisels, saws, and carbide-tip drills.
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