Are old coins and metals worth anything?
Can you get heavy metal poisoning by being around solid metals?
Can you give me examples of God being a merciful God?
Is it okay to put paint on metal?
What is "hard lean dough?"
What is there on a map that will show me direction, for example, North, South, East and West?
Why are the bottoms of stainless steel pots usually lined with another type of metal?
A common very hard metal is carbon alloy steel. Tungsten Carbide is also another very hard metal. Depleted Uranium is almost as hard as the other to but is denser.
Hard metals would be metals "sintered"- a powder heated below its melting point until the powdered bits stick together, this can be done with carbides of tungsten and titanium.
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