Two waiters serve two steel workers lunch on a girder high above New York City, November, 1930.
纽约市的高空中，两位侍者正在给钢铁工人提供午餐服务。 1930年11月。
2
The mascots are based on a story, where a welder used the last drops of steel from the final girder added to the new Olympic Stadium, to create the Olympic duo.
这对吉祥物的设计还有一个背后的故事：一个焊接工用尽最后一滴钢铁为奥运会浇铸成了新的奥林匹克体育场。
3
Harbin sifangtai bridge is a cable-stayed bridge whose girder is composed by steel i-beam above and concrete deck slab below.