The three (3) scenarios are related to the control function. Explain the type of control that is applied in each of the scenario.

Scenario 1 : The chief engineer schedules repair and service of all machinery needed in the production line every two months.

Scenario 2: Patients in the ICU wards in hospitals are monitored round the clock by nurses.

Scenario 3: Following reports of malfunctioning airbags in certain Toyota cars, Toyota re-called specific Toyota models to have the airbags replaced.