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  • Still, iron was the first material to let people build truly tall buildings. The Eiffel Tower, for instance, is actually built out of wrought iron. Wrought iron is strong, but also inconsistent and prone to flaws that are impossible to detect until a particular piece fails catastrophically. This is something that happened regularly throughout the nineteenth century, causing factories to collapse on the heads of the workers below and trains to derail or fall into rivers when the bridges they crossed collapsed. Steel, in comparison, is much more consistent, and as soon as people figured out how to make it in large quantities they began using it for everything. In fact, when people say “wrought iron” in reference to fencing, what they are probably referring to is steel fencing that looks like wrought iron. The confusion might also come from the fact that steel is really just iron worked at higher temperatures to ensure an even distribution of carbon.

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  • In conclusion, adjusting the wheels on a sliding screen door is a quick and easy way to resolve common issues and restore smooth operation. By following these simple steps, you can keep your door functioning properly and enjoy the convenience and beauty of this versatile feature for years to come.
  • Cast iron bases, an embodiment of resilience and durability, have been an integral part of human craftsmanship for centuries. Their history dates back to the early Industrial Revolution when cast iron, with its unique combination of strength and malleability, revolutionized manufacturing processes. Today, these robust foundations continue to serve a multitude of functions in various industries, from architecture and engineering to cooking and art.