Heavy steel contamination in groundwater is A serious concern in Pakistan, and research have noted the existence of weighty metals such as lead, cadmium, chromium, and nickel in lots of samples over the permissible restrictions established through the WHO [161,one hundred seventy five]. The resources of heavy metal contamination are https://cartongabletoppackaging.blogspot.com/2025/01/eco-friendly-packaging-for-water-with.html