9. The system of claim 1 , wherein the specification file comprises a list of a subset of a plurality of microfluidic components, the subset serving as a subassembly in a larger assembly.
9. The system of claim 1 , wherein the specification file comprises a list of a subset of a plurality of microfluidic components, the subset serving as a subassembly in a larger assembly. 14. The system of claim 9 , wherein the specification file is recalled and used in a different specification file associated with the larger assembly.