| http://www.w3.org/ns/prov#value | - el. (The brightness of LED panels can be reduced from the designed maximum, if required.)Suitable locations for large display panels are identified by factors such as line of sight, local authority planning requirements (if the installation is to become semi-permanent), vehicular access (trucks carrying the screen, truck-mounted screens, or cranes), cable runs for power and video (accounting for b
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