metallurgy

"The process is called sintering, which aggregates fine particles together into a more solid state. It is similar to powder metallurgy in the manufacturing of ceramics," continues Tsumori.

Extreme temperatures are also found in jet engines, metallurgy and the nuclear industry, he says.

It is vital for metallurgy, which, in turn, plays a key role in the country's economy.

Meanwhile, it dropped temporary controls on five less sensitive graphite items used in basic industries such as steel, metallurgy, and chemicals.

The name comes from subjects such as metallurgy.