What Industrial Engineers do?

So what do industrial engineers do to increase productivity and assure quality?

An Industrial Engineer can perform several activities to fulfil its task:
Processes and Procedures of manufacturing or service activites can be examined through Process Analysis

He can Use Work Study comprehending Method Study and Time Study. Method Study is the Study of How a job is performed examining and recording the activities, operators, equipment and materials involved in the process. Time Study records and rates the times of jobs being performed. The mentioned activities are also called operations Management. Furthermore can Industrial Engineering involve inventory management to make a manufacturing process more feasible and efficient. Industrial Engineers are also involved in design activities for Products, Equipment, Plants an Workstations. Here ergonomics and motion economy play a role. Last but not least is the Industrial Engineer playing an important role in developing Quality Management Systems (as they i.e. should comply with the ISO 9000 Standards). Here they often have job titles like Quality Engineer or Quality Manager.