The oldest evidence for lead pollution comes from ancient Greece
Researchers studying sediment cores recovered from mainland Greece and the Aegean Sea have found the oldest known evidence of lead pollution in the environment dating to around 5,200 years ago. That's ...
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HCL Recruitment 2025: Hindustan Copper Limited has released recruitment for the 10th pass, the application started..
Hindustan Copper Limited (HCL) has invited applications for the posts of Chargeman (Electrical), Electrician 'A', Electrician ...