zài / zhè / ge / háng / yè / lǐ / ān / quán / dì / yī / shì / dà / jiā / dōu / zūn / shǒu / de / tiě / zé

在这个行业里，安全第一是大家都遵守的铁则。

In this industry, putting safety first is an ironclad rule that everyone follows.