What is industrial engineering?
Industrial engineering is the discipline of designing, improving and optimising systems that bring together people, equipment, materials, information and processes. Unlike disciplines focused on a single product or machine, it improves the whole system — the goal is maximum efficiency while quality, safety and profitability stay intact. In practice, industrial engineers work on productivity improvement, process optimisation, labour utilisation, capacity planning, cost reduction, lean manufacturing and continuous improvement. Historically they relied on manual observation, stopwatches, spreadsheets and paper; those tools still help, but modern, high-mix, fast-changing plants demand faster and more accurate methods.