State one safety precaution for each of the following:
in safe disposal of nuclear waste.

Explanation

**Step-by-Step Text Solution:**

1. **Identify the Context**: The question asks for safety precautions related to the safe disposal of nuclear waste. Nuclear waste is hazardous and requires careful handling to prevent environmental contamination and health risks.

2. **Precaution 1 - Solid Form**: One important safety precaution is to ensure that nuclear waste is in a solid form. This minimizes the risk of leakage and makes it easier to handle and store.

3. **Precaution 2 - Appropriate Packaging**: The packaging of nuclear waste must be appropriate for the type of waste being disposed of. This includes using containers that can withstand the corrosive nature of the waste and prevent any escape of radioactive materials.

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