Concrete

 is a refined material used in crafting.

Obtaining
can be crafted using the following crafting station:

Usage
is used in missions, commissions, and as a material for several assembled items.

Mission
can be used during the course of the following missions:
 * 20 are needed for The Portia Harbor
 * 20 are needed for Reconstruction

Commission
is occasionally requested on the Commissions Board as a Rank A commission.

Construction
20 is required when ordering the construction of level 4 house upgrade at A&G Construction.

Craft
is a required ingredient when crafting the following items:

Recycle
can be placed in the Recycle Machine to produce the following items: