An experienced scaffolder deals with about 120 steel tubes every day, each of which weighs 8 kg. In other words, each scaffolder does with steel pipes weighing as much as 1000 kg a day.
一名熟练的架子工，每天经手的钢管有120根左右，每截钢管8公斤，他们每人每天经手的钢管就重达1吨左右。