2 sentences

1. 我找到了更便宜的水管工。

   wǒ zhǎo dào le gèng pián​yi de shuǐ​guǎn​gōng.

   I found a cheaper plumber.

   Source: OpenSubtitles

2. 这个传统始于1961年，当年一位水管工不小心将河流染绿。

   zhè​ge chuán​tǒng shǐ yú1961 nián, dāng​nián yī wèi shuǐ​guǎn​gōng bù​xiǎo​xīn jiāng hé​liú rǎn lǜ.

   The tradition began in 1961, when a plumber accidentally dyed the river green.

   Source: CCMatrix