Eight Ways to Build a Border Wall.

The article discusses the different ways to build a border wall in U.S. facing Mexico as per the orders of U.S. President Donald Trump with reference to the companies that have bidden for the project including W.G. Yates & Sons, KWR Construction, and Caddell Construction. Particular focus is given to the materials to be used and the quality of the border wall including concrete, tube, opaque, transparent.