Dictionary
Styles
Pritzker
RIBA
References
CAD Scale Factors
AIA Numbering System
CMU Block Sizes
Dictionary
Styles
Pritzker
RIBA
CAD Scale Factors
AIA Numbering System
CMU Block Sizes
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class "C"
Minimum fire rating issued by the Underwriters' Laboratories for roofing materials.
First 10 image search results of class "C" architecture