由于货物存储量的下降,A区许多的货位都是空的.
但为了不影响夜班的操作,库内的照明灯全部都点亮,造成了能源的浪费.
Due to the decrease of stock,there are now enough vacancies in Zone A.
But in order to keep smooth operation for night shift,all lamps in wareshouse are kept always on,
it somehow leads to the wates of energy.