The security system was quite elaborate and effective with multiple layer authentication and multiple secure doors.
Dichroic filters are multiple layer thin-film etalons.
For instance, a two layer bitstream may be coded using different encoders for the base layer and enhancement layer, each with its own autonomous control plane; or, if the same encoder is used for multiple layers, then a joint decision process, which considers the aforementioned dependencies, may be too complex.
If instead you start from physical space and understand how the cultural, political, symbolic and historical dimensions are always overlaid in one particular spatial condition, and if you begin to represent those, then you can unpack the multiple layers of what a technological decision means and how it impacts space.
"I think there is a real need to incorporate health impact assessments into the future decisions of multiple layers of our society, starting with the United States government on down," says Richard Jackson of the University of California, Los Angeles, who chaired the NRC Committee on Health Impact Assessment.
The moment you clear up the multiple layers involved in the process of decision making, you will speed up the process and remove inefficiency from the system.
The perennial problem is proving who was responsible for a violation when any decision is made through multiple layers of an organization so that no one can be held accountable for the final decision.
First, they generally have both multiple layers of administration and cross-functional decision-making groups.
And in the most bureaucratized organizations, where multiple layers of management are involved in every decision, approval is often needed from stakeholders who don't understand what will actually move the needle.
That report found that utility decisions were overseen by multiple layers of city bureaucracy, but none had enough power over the DWP to hold it fully accountable.
