Batteries contain heavy metals such as lead, cadmium and mercury that can be harmful if they leak into water supplies or eventually produce noxious gases which enter the atmosphere.
Batteries contain heavy metals such as lead, cadmium and mercury that can be harmful if they leak into water supplies or eventually produce noxious gases which enter the atmosphere.
含有的铅、镉、汞等重金属的电池一旦泄漏进入水源或产生有害气体进入大气，将对环境产生危害。