Advanced (fine steel)
Tall
A
Great
End
Fancy
Special
E
Great
End
Riveting snail steel
Riveting snail
ML
Great
First
Anchor chain steel
Anchorage
M
Great
First
Mine uses steel
Mine
K
Great
End
Car crossbeam uses steel
Bridge
L
Great
End
Pressure vessel uses steel
Look
R
Great
End
Multilayer or high-pressured container uses steel
High level
Gc
The ordinary form of a Chinese numeral
End
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