leave the hot plate unattended. follow the teacher's instructions. pull back hair or clothing to avoid contact. wear insulated gloves when holding metal materials.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: When using a hot plate, students should not
Possibilities:
- leave the hot plate unattended.
- follow the teacher's instructions.
- pull back hair or clothing to avoid contact.
- wear insulated gloves when holding metal materials.

leave the hot plate unattended.