3 sentences

1. 这座建筑的防火性能很好。

   zhè zuò jiàn​zhù de fáng​huǒ xìng​néng hěn hǎo.

   This building has excellent fire resistance.

   Source: Dong Chinese Dictionary

2. 完善的防火措施使这片森林免遭大火的吞噬。

   wán​shàn de fáng​huǒ cuò​shī shǐ zhè piàn sēn​lín miǎn​zāo dà huǒ de tūn​shì.

   Comprehensive fire prevention measures saved this forest from being devoured by fire.

   Source: Dong Chinese Dictionary

3. 实验室里这瓶乙醇的浓度很高，使用时要注意防火。

   shí​yàn​shì lǐ zhè píng yǐ chún de nóng​dù hěn gāo, shǐ​yòng shí yào zhù​yì fáng​huǒ.

   The ethanol in this bottle in the lab is highly concentrated, so be sure to take fire precautions when using it.

   Source: Dong Chinese Dictionary