The wrought iron industry is the cornerstone of the U.S. economy, employing millions of Americans.According to the Bureau of Labor Statistics, the industry employs nearly 14 million people, employing roughly 13 million workers.It's worth a lot of money to workers, too.The industry's wages are a whopping $1.2 trillion per year.In 2016, the average worker made an average wage of $30,000 per year, ac...
A sheet of cement, heated to 250°C and filled with a mixture of iron oxide and iron oxide shavings, is heated to over 250°F, and then poured into a wooden carport.
The carport then is filled with cement and heated again.
Once heated to the desired temperature, the concrete is removed and poured into an oven that turns the heat up to 400°C.
The heat from the oven turns the cement into a hard-to-reach cement, which is then poured onto the concrete.
The final step is to place the concrete over the shavess, forming a cement-topped concrete carport that can hold about 20 cubic meters of concrete.