 |
 |
 |
 |
 |
|
|---|---|---|---|---|---|
| 1 | steel making | 製鋼 | |||
| 2 | electric furnace for steel-making | 製鋼用電気炉 | |||
| 3 | sintering facility for steel making | 鉄鋼業焼結施設 | |||
| 4 | steel making process by open-hearth furnace | 平炉製鋼法 | |||
|
|
|
|
|
|
|---|---|---|---|---|---|
| 1 | steel making | 製鋼 | |||
| 2 | electric furnace for steel-making | 製鋼用電気炉 | |||
| 3 | sintering facility for steel making | 鉄鋼業焼結施設 | |||
| 4 | steel making process by open-hearth furnace | 平炉製鋼法 | |||
