This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Leaking button cell batteries. Uploaded with en wp UW marker The picture shows couple of leaking AG button cell batteries by the side of the button cell receptacles which are also slightly affected by the leaked substances The batteries were inside scientific calculator that was left unused for couple of years When discovered