A fourth-grade teacher plans a lab that requires students to use beakers for measuring vinegar. She has glass and plastic beakers at her disposal. What safety procedure should she follow?"
What safety procedure should a fourth-grade teacher follow when using glass and plastic beakers in a lab?

a. Avoid using beakers altogether
b. Use glass beakers only for accuracy
c. Use plastic beakers for safety
d. Provide proper supervision and guidance for handling beakers