What is the application of copper mesh?

Faraday cage, RFI shielding;
Rodent and bird exclusion, garden pest stopper;
Decorative mesh;
Fireplace screen;
Filter and sieve.
Is it really effective to protect my garden?
If your plants in your garden are often attacked by snails and slugs, the answer will be ABSOLUTELY. It is proven that snails and slugs hate copper mesh and don't like to touch it. So copper wire mesh has been widely used to protect your fruits, seedlings and others.