This device can also subject test devices to lethal gases
like hydrogen fluoride, sulfur dioxide, and hydrogen chloride, all of which exist in Venus» atmosphere and to which future probes will be exposed.
Coal - fired power plant emissions also contain many other toxic elements and compounds, including sulfur dioxide (SO2), nitrous oxides (NOx), particulate matter,
hydrogen chloride (HCl),
hydrogen fluoride (HF), arsenic, and heavy metals
like chromium and cadmium.