High Grade Ore, page-11

The border wall" between the US and Mexico.
Mr Trump says his wall will cover 1,000 miles and natural obstacles will take care of the rest.
A study by the Washington Post estimated the cost of the president's wall would be close to $25bn.
Some of this money will work its way into resources such as Iron.
Iron will surely be a core component of this wall, be it reinforcing bar in concrete or fencing Wire/Cladding & Piles.