Strong physical obstruction made of metal for blocking or protection.
SecurityConstructionDefenseEngineering
Current best complexity is 9:
Steel Barrier can be discovered in Concepts, categorized under Security, Construction, Defense, Engineering. Strong physical obstruction made of metal for blocking or protection.
It has been discovered by 1 board and crafted 1 time, first appearing 8 hours ago. Steel Barrier can be created from 1 recipe, and goes on to appear as an ingredient in 1 other.
Steel Barrier was first discovered by Skitsboard 8 hours ago. They also hold the lowest-complexity recipe, at 9.
Related concepts worth exploring include Brick, Wall, Barrier, Wind Tunnel, Dam, Skyscraper, and 6 more.