1·Can ironworker control the quality of the iron they make then?
那时炼铁工人能够控制他们所炼的铁的质量吗？
2·Could ironworker control the quality of the iron they made then?
那时炼铁工人能够控制他们所炼的铁的质量吗？
3·Vanessa had become an ironworker and had got a job building casinos.
瓦妮莎成为了一名铁工，得到了修建赌场的工作。
4·Being a roustabout was rated the worst, followed by lumberjack, ironworker, dairy farmer and welder.
井上工人最差，之后是伐木工人，铁匠，奶农和焊工。