dài / shàng / ān / quán / mào / kě / yǐ / ràng / gōng / rén / zài / gōng / dì / shàng / miǎn / shòu / shāng / hài戴上安全帽可以让工人在工地上免受伤害。Wearing a safety helmet can protect workers from injury at the construction site.