Of the following types of laminar airflow workbenches, which one is used in preparing chemotherapeutic agents?

Vertical laminar airflow workbenches are used in preparing chemotherapeutic agents.
Vertical laminar airflow workbenches create a downward flow of air that protects the user from exposure to hazardous materials. Chemotherapeutic agents are hazardous drugs that can have serious side effects on patients and healthcare workers. Vertical laminar airflow workbenches help to protect healthcare workers from exposure to these drugs by creating a barrier between the user and the work area.