Hefty steel contamination in groundwater is A significant issue in Pakistan, and scientific studies have described the presence of heavy metals which include lead, cadmium, chromium, and nickel in many samples over the permissible limits established by the WHO [161,one hundred seventy five]. The sources of heavy metal contamination are https://gablecarton.blogspot.com/2025/02/the-growing-demand-for-eco-friendly.html