Heavy metal contamination in groundwater is a major concern in Pakistan, and scientific studies have reported the existence of major metals for example lead, cadmium, chromium, and nickel in several samples above the permissible boundaries set because of the WHO [161,one hundred seventy five]. The sources of large steel contamination https://waterinpaperbottle.blogspot.com/2025/02/gable-top-box-versatile-and-sustainable.html