Design Drawings of a Building's Structure
This page is the CodyCross answer for the clue below from Pet Shop, Group 350, Puzzle 2 (Pet Stain Remover).
Question is: Design Drawings of a Building's Structure
and the answer is: BLUEPRINT
Word Meaning:
BLUEPRINT — A type of paper-based reproduction process producing white-on-blue images by means of a photosensitive ferric compound, used primarily for technical and architecture's drawings, now largely replaced by other technologies.
Definitions from Wiktionary.