wear gloves while breaking rocks wear goggles while breaking rocks have a bucket of sand in case of sparks have a clean eye-wash station available
I gave my students this multiple choice question: Which of the following is the most important safety practice when using a rock hammer on a geology field trip?

Only one answer is correct among these 4 choices:
- wear gloves while breaking rocks
- wear goggles while breaking rocks
- have a bucket of sand in case of sparks
- have a clean eye-wash station available

Could you tell me which one is correct?

wear goggles while breaking rocks