銅板

1. Origins, structure, and basic meaning

• Structure: 銅板（どうばん） combines 銅, copper, with 板, a board or plate.
• Basic usage: Use it for copper sheet being cut or worked, or when describing its surface color or condition.

2. Common pitfalls and similar expressions

• A homophone used in printing
  • 銅版 is also read どうばん, but refers to a copper printing plate used for prints or printing.
  • Use 銅板 for copper plate as a material.