If she is not helping out on the production line, she helps packaging or sorting. Perhaps she distributes snacks to the workers to build morale. When she has nothing to do, at the least she will supervise, lessening the workers 'opportunities to get lazy and chat.
生產線幫不上忙，就幫忙包裝、分類；或是給員工煮點點心，提昇士氣；再沒事做，至少「坐鎮」在那裡，可以減少員工偷懶聊天的機會。