The equipment applies thin layers of concrete, one over the other, until a full wall or frame is erected, then workers pack insulation in the space between the wall layers.

Ryan Dezember is based in New York and writes about commodities, including oil, natural gas, cotton, lumber and grains, as well as real assets, such as timberland, energy infrastructure and rental ...

Collin Eaton writes about the largest American oil companies and global energy issues in The Wall Street Journal's Houston bureau.

Wall Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Wall area.