Which physical state of toxic industrial materials includes both gases and liquids?

The correct choice identifies the physical state of toxic industrial materials that includes both gases and liquids. This understanding is based on the behavior of substances in industrial contexts.

Toxic materials can exist in various forms, and the combination of gases and liquids is particularly significant because both states can pose serious health risks. Gases can be inhaled and have immediate effects on respiratory systems, while liquids can cause dermal exposure or be ingested, leading to toxicity through different exposure routes.

In contrast, solids are distinct as they maintain a fixed shape, while powders (which are a form of solids) do not typically include the liquid state. The inclusion of both gases and liquids represents a broader range of exposure scenarios, acknowledging that toxic materials can affect individuals in multiple ways, thus enhancing safety protocols in industrial environments.

By understanding that toxic materials can interrupt safety via inhalation or skin contact through gases and liquids, proper handling and emergency response can be devised to mitigate these risks effectively.