2 sentences for 火 (huǒ — ammunition)

1. 这些火药必须小心存放。

   zhè​xiē huǒ yào bì​xū xiǎo​xīn cún​fàng.

   This gunpowder must be stored carefully.

   Source: Dong Chinese Dictionary

2. 警方在边境拦截了一辆卡车，并从车上查获了大量走私军火。

   jǐng​fāng zài biān​jìng lán​jié le yī liàng kǎ​chē, bìng cóng chē shàng chá​huò le dà​liàng zǒu​sī jūn huǒ.

   The police intercepted a truck at the border and seized a large quantity of smuggled weapons from the vehicle.

   Source: Dong Chinese Dictionary