When a liquid metal cools and turns into a solid, its atoms come together to form crystals. The structure of these crystals is not perfect. Sometimes an extra layer of atoms squeezes between other ...

Armstrong Steel manufactures and ships pre-engineered steel structures. Buildings are do-it-yourself or professionally installed and offer versatility. By buying directly from Armstrong Steel ...

A structure is an object made from many parts. Buildings and bridges are examples of structures. When making a structure, it’s important to use simple ways to make it strong. Buildings ...