Question $11\mathrm{.}1$As the inventory manager for a company that manufactures specialized industrial equipment, you oversee a number of raw materials and finished goods. Recently, seniorA study of maintenance operations among commercial airlines revealed that approximately $45\%$ of the aircraft components removed for repair or replacement were found to be not defective. This has led to unnecessary expenditures and increased aircraft downtime.What could be the three main causes of this issue and justify your answer$\mathrm{.}1\mathrm{.}3$You are a manager at a company that manufactures advanced medical imaging equipment used in hospitals. One of the company's machines has been facing criticism due to the time it takes to repair the machine and the complexity involved in repairing even minor faults. Technicians report that repairing a single faulty component often requires disassembling large sections of the machine, leading to extended downtime and increased costs. Which element of maintainability would you consider when improving on the design of the machine.Please justify your answer.$(3)1\mathrm{.}4$Provide an example of the raw materials of a production process of your choice.$(2)1\mathrm{.}5$ Explain why the consideration of human error in maintenance is important.$(2)$