Brittleness remains a problem when building steel structures in cold conditions, such as oil rigs in the Arctic.

在寒冷条件下建造钢材结构，比如北极地区的石油钻塔，钢的易碎性仍然是一个问题。

The group has been building steel wire containers, filling them with rocks and whelk shells and positioning them along the shoreline of Barnegat Bay.

该组织一直在建造钢丝容器，在里面装满石头和海螺壳，并将它们放置在巴内加特湾的海岸线上。