The process of canning follows the following basic process. Empty cans arrive on a pallet these cans are taken off the pallet, transferred to the production plant, washed, filled, seamed, cooked and palletized. After a period of incubation, the filled cans are taken off the pallet, labeled,shrinked into six packs and palletized. In each step of the process cans are discarded due to damages, defects. The daily discarded cans range between several hundred to several thousand rand. How would you approach the investigation to document the scale and location of the write offs and target a reduced system