We work in man-days as a work unit for inspections. From the buyer's point of view, the (Manday) is a system that enables direct and quick calculation of the QC costs. (Man): Both women and men work as inspectors. Qualified personnel are crucial for reliable quality control. Inspectors spend their time checking the quality and conformity of the products in the factories (according to AQL - norms) to protect the interests of the importers. (days): A meaningful inspection takes eight hours. Inspectors should only conduct one QC per day to ensure reliable results.