youdao

Use rechargeable batteries — Conventional batteries contain cadmium and mercury and must be treated as hazardous waste.

用可充电的电池——常规的电池含有镉和汞，必须以危险的垃圾标准来处理掉它。

youdao

There is also lead, and heavy metals such as cadmium and mercury - you name it.

另外还有铅、镉，汞等但凡你能叫得出名字的重金属。

youdao

Ash from an incinerator was spread on the paths between these allotments in Newcastle, and then found to contain hazardous, partly burned cadmium and mercury.

BBC

These are things like arsenic, mercury, cadmium, lead, selenium.

NPR: Coal Ash May Pose Health Hazard

First, electronic waste is currently hazardous waste in that it contains lead, mercury, cadmium, brominated flame retardants etc, which are integrally mixed into components and cannot therefore be easily separated from the non-hazardous components.

FORBES: It's Easy Enough To Solve The Problem Of E-Waste