The ways to transport the goods to the second or third floors usually are: stairs (manual work), liftingplatforms, transmission strips, and hoists.
货物至二楼或三楼的方式通常有：楼梯(人工搬运)、升降平台、输送带、叉车等。
2
Finish connecting the first piece with the second piece, then installed platforms and ladders, at last lifting the stack with all platforms and ladders.