Zone

• Assembly levels abstract over the over specific geometry that may be chosen for some specific implementation of a gem-gum factory.
  
• Assembly levels contain a somewhat repeating pattern of processing steps though.
  See the main table on the page "gemstone metamaterial on-chip factory".
  These need a way to be referred to.

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• Sub-steps of assembly levels shall here on this wiki be refered to as "zones" – especially if specific to only a certain assembly level
  
• Specific quite homogeneous most low level areas of other subsystems of gem-gum factories may alos be called zones (eventually).

If there is an instance for a zone repeating in somewaht similar fashion over more than one assembly level
then calling it a level rather than a zone may be preferable.
E.g. routing level rather than "routing zone"

Related

• Tooltip preparation zone
• Zone of mechanosynthesis cores
• The routing layer zones (or rather routing level or "routing zone" to abstract from geometry)