Major metal contamination in groundwater is An important concern in Pakistan, and scientific tests have claimed the existence of weighty metals such as lead, cadmium, chromium, and nickel in several samples earlier mentioned the permissible limits set through the WHO [161,one hundred seventy five]. The sources of large metal contamination https://cartongabletoppackaging.blogspot.com/2025/01/eco-friendly-packaging-for-water-with.html