⟩ What country did the U.S. invade in 1989 in what George Will dubbed an act of hemispheric hygiene?
Panama.
Panama.
What are the properties and application of manganese steel?
What is carbide?
What is or what characterize the thermodynamic state of metal (structure of metal)?
When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basic thing, which makes such a difference.
Why we are doing post heating in alloy steel welding?
What are the compositions of brass, how can this metal be heat-treated, what is the melting point of this metal?
How we describe strain aging based on dislocation theory?
How does and why the recrystallization temperature of the metals affects on alloying?
What is proeutectoid ferrite and cementite?
What is the metallurgy use? What is the casting and forging?