Giuseppe Marinoni, nicknamed “Pepe”, is one of the most famous bicycle frame manufacturers in North America. After immigrating to Canada from Italy in the 1960s, he founded a family bus...
The inconspicuous white metal door slammed shut, and Tim Sibold was found behind the push broom, sweeping the granular cleaning material neatly into the pile in the center of the floor. It was hot ...
With the continuous innovation and development of building technology, many building structures use steel structure as the main supporting component or main frame composition. Compared with the tr...
The Empire State Building and the Sears Building in the United States were at various times the tallest buildings in the world. But they were overshadowed by some really massive structures. Enginee...
Officials said that a 12-story apartment building in Surfside, Florida, partially collapsed, and the death toll has climbed to nine people because the large-scale search and rescue mission continue...
、 Ferrous, steel and nonferrous metals
Before introducing the classification of steel, the basic concepts of ferrous metals, steel and non-ferrous metals are briefly introduced.
1Ferrous...