tea process workflow

workers pick tea leaves, leaves are put into $50$ kg bags, bags are moved to a processing area, bags of tea are reweighed, leaves are spread across pans and troughs, leaves are withered on pans, leaves are cooled, leaves are removed from pans and reweighed, leaves are moved onto special trays and rolled, leaves go through a first drying, leaves are cooled, leaves are put into trays for a second drying, leaves are removed from trays ajd reweighed; poor quality leaves are thrown away, leaves are visually inspected, poor quality leaves are thrown away, leaves are moves to an oxidizing area, leaves are oxidized, leaves get a final drying to complete the oxidizing process, leaves are cooled, leaves are sent to packaging and shipping, leaves are weighed, leaves are sorted: small, misshaped, or discolored tea leaves are discarded, leaves are weighed, leaves get a second sorting, leaves are put into paper tea bags and sealed, tea bags are wrapped in paper packets, tea bags are sealed, wrapped tea bags are sorted into cardboard packs of $20,$ cardboard packs are sealed abd wrapped in plastic, boxes are sorted into shipping boxes, shipping boxes are wrapped and sealed ready to be shipped $.$ evaluate this process flowchart to identify steps tbat do not add value based on the principles of lean manufacturing explain why for each step