(a) Choice of the right process strategy is very important in any operational context. In line with this, identify and explain a suitable process strategy for each one of the following situations: (i) Supply of oxygen in the intensive care unit of a hospital for Covid-19 patients. (ii) Production of syringes in a production plant to meet the high demand for Covid-19 vaccination programme. (iii) Doctor's monitoring of the level of progress in improved health shown by individual Covid-19 patients after treatment.