Widespread killing by African mercenaries wearing orange construction hard-hats for helmets has further turned popular Libyan sentiment against foreigners.
而头戴橙色建筑安全帽充当钢盔的非洲雇佣军四处杀戮，更让利比亚民众对外来人士的反感雪上加霜。
2
The workers on the construction site should put on their safety helmets before starting to work.
建筑工地上的工人在开始工作以前都必须戴上安全帽。
3
You must wear helmets when entering the construction site.