a method of iron manufacturing that makes use of foot bellows, called 'tatarabuki'
a mold called a greensand mold
a mining method called the {inclined-shaft method}
the technique of extracting metals through a wet processes, called {hydrometallurgy}
a method of processing the plasticity of metal called rolling
in science, a method used to differentiate minerals, based on their chemical separation, called the gravity concentration
a method for pressing and stretching a metal, called {controlled rolling}
a method processing boards for plasticity, called reduction