Scheduling tools: primary use of a Gantt (bar) chart in production Identify the most appropriate application area of Gantt charts in operations management. Choose the best option.

Concept
Gantt (bar) charts provide a time-scaled visual of planned vs. actual start/finish for jobs, machines, or departments. They are widely used for production schedules and progress control.

Why others are less appropriate
Inventory control uses ABC/EOQ etc.; material handling uses different tools. Maintenance can use Gantt, but its primary association in operations is production scheduling.

Final Answer
Production scheduling and tracking.