Composed steel
Town
Z
Great
End
Special and composed steel
Press down especially
TZ
Great
End
Aerobic converter (steel)
Oxygen
Y
Great
In
Alkalescent air converter (steel)
Alkaline
J
Great
In
Easy cutting steel
Easy
Y
Great
First
Steel of carbolic element tool
Carbon
T
Great
First
Scroll bearing steel
Boil
G
Great
First
Welding rod uses steel
Solder
H
Great
First
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