Witness the fascinating manufacturing process behind cast iron covers, essential components widely used in infrastructure ...

Witness the fascinating process of iron casting using sand molds, where molten metal takes shape with precision. Skilled professionals carefully pour and refine each cast, ensuring strength and ...

That durability is thanks to the materials in cast iron: molten iron and steel that are cast in sand molds (the sand molds are why contemporary cast iron has a pebbly appearance on the surface).

After the iron cools and solidifies, the sand mold is broken into pieces with a hammer and the cookware is removed. Any extraneous pieces are cut off. Suzuki, 59, who has worked in the Oigen cast ...