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Concrete Building Material
The Concrete Building Material is a building material in Arknights.
Before conducting modifications to rooms with poor structural integrity, please use this building material for maintenance to ensure the safety of the work site. Only then will you be ready to begin.
Usage[edit]
This crate of polymer concretes are produced from 
Carbon Brick and used for building Rhodes Island infrastructure facilities. It is needed to clean the rooms on B3 as well as the intermediate construction and upgrade of facilities.
A single Concrete Building Material is also worth 16 
.
How to obtain[edit]
Workshop[edit]
| Product | Material | LMD | Morale | Requires
|
|---|---|---|---|---|
 1 |
 2 |
2400 | 2 | Level 2 Workshop
|