In the process of motion on a logistic chain material streams pass the stages from development and production to the sale and after sale service. adding or reducing a value to the products. Analysing the chainlets of the added value and expenses of suppliers. consumers. https://www.jmannino.com/mega-pick-NFL-San-Francisco-49ers-Zone-Block-iPhone-14-Pro-MagSafe-Case-p80213-quick-pick/