C46 Obtained the Blueprint of the Metal Laboratory

Identifying blueprints is akin to opening mystery boxes.

The variety and quality of blueprints are left to chance.

Tang Xiaofan, after gathering information from various sources, drew a conclusion.

Blueprints come in several types—building, equipment, and special blueprints (such as those for soldier types, skills, armies, etc.).

Blueprints are also categorized by different levels