Data centers, which drive the apps, websites, and services that billions of people use every day, can be hazardous places for the workers that build and maintain them. Workers sometimes have to service a data center’s electrical equipment while it’s being energized. And they can become exposed to chemicals like chlorine, which is used as a sterilizing agent for the water circulated through liquid cooling systems for computers and servers. In June 2015, five people had to be taken to…
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