Answer: Flowchart
Step-by-step explanation:
Flowchart is the tool that displays flow of process or work. It is represented diagrammatically in the form of step by step manner for displaying particular mechanism or solving a problem. It is linked in orderly manner so that steps can be clearly understood by the viewer for gaining information.
According to the situation mentioned in the question, Alex should use flowchart as per his requirement. He want to know about the process of production in orderly way so he should use flowchart to understand the mechanism step-by step.