4. 我們將探討增設低成本太陽能燈，以改進乘客在晚間等候公車時的安全。這些將作為我們「Muni 公車站照明項目」的一部分。您認為在哪些公車站最需要新增照明設施？請依照重要性順序將選項上下拖曳排序。 Order the items from the following list. First select an item with the spacebar to show a menu of possible ranking positions. Next, click a ranking position to order it in the ranked list. Note the menu will display more ordering options as you add items to the ranked list.
Drag items from the left-hand list into the right-hand list to order them.