Select some claimed shoes in case that you are not student or technician in shoe company and you only buy and sell the shoes. Investigate the claimed shoes. Try to find the reason for the main problem and propose what to do immediately in production to avoid this problem and what to do to avoid this type of problem in future. Take 1-3 different cases and notice also smallest visible problems which are not subject of claim but they are
evidence that something was just acceptable but not perfect. Propose how to avoid the problem.