First, Lin explains, you have to select a good site where the rock is stable and not likely to crumble. Then one of the engineers who is a good swimmer carries a rope across to the opposite bank to set up a pulley basket for ferrying across equipment and personnel.
林枝木表示，建造吊橋的過程中要先選好土質不易鬆滑的岩層山壁，再由善泳的技工，帶著繩索設法游到對岸，架設流籠後，依次將器材、人員輸送過去。