brass ends on powercords, brass connectors on crimped wires in monitors & tvs

I didn't know that the prong ends of powercords are often solid brass. I also didn't realize the most of the connectors crimped on wires inside monitors and tvs were brass.
Since they are silver coated I assumed they were steel. I was throwing them out. Thanks to this forum I'm now saving.

Thank you,
Copycat