system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5- Why are propellors made of bronze?

I just saw a video about Nimitz Class aircraft carriers and it mentioned that the propellors are made of bronze.

What makes bronze better than the alternatives?
gpt
They use a nickel aluminium bronze alloy for a few reasons;

Corrosion resistance is better than alternatives.

The surface finish lasts longer, helping with efficiency.

Resists breakage better on impact.