2 sentences

1. 请严格遵守安全操作规程。

   qǐng yán​gé zūn​shǒu ān​quán cāo​zuò guī​chéng.

   Please strictly follow the safety operating procedures.

   Source: Dong Chinese Dictionary

2. 这次事故的责任主要在于施工单位违反了操作规程。

   zhè cì shì​gù de zé​rèn zhǔ​yào zài​yú shī​gōng dān​wèi wéi​fǎn le cāo​zuò guī​chéng.

   The responsibility for this accident lies mainly with the construction company for violating operating procedures.

   Source: Dong Chinese Dictionary