Lead

Lead is a material used to create the radiation suit. It's relatively easy to craft, as it only requires materials found in Safe Shallows and Grassy Plateaus. It can also be harvested from orange fruits on a tree native to the Floater Island.

Trivia

 * In real life Lead is a distinct element and cannot be created by combining copper and silver.
 * The recipe used to make Lead in the game is similar to the composition of the alloy Shibuichi.