4 sentences

1. 工厂用煤来发电。

   gōng​chǎng yòng méi lái fā​diàn.

   The factory uses coal to generate electricity.

   Source: Dong Chinese Dictionary

2. 这里的煤炭资源非常丰富。

   zhè​lǐ de méi tàn zī​yuán fēi​cháng fēng​fù.

   Coal resources are very abundant here.

   Source: Dong Chinese Dictionary

3. 大量的煤炭堆放在煤厂里。

   dà​liàng de méi​tàn duī​fàng zài méi chǎng lǐ.

   Large quantities of coal are piled in the coal yard.

   Source: Dong Chinese Dictionary

4. 他在一个偏远的煤矿工作。

   tā zài yī gè piān​yuǎn de méi kuàng gōng​zuò.

   He works in a remote coal mine.

   Source: Dong Chinese Dictionary