Heavy metal contamination in groundwater is An important problem in Pakistan, and scientific tests have claimed the existence of major metals for instance direct, cadmium, chromium, and nickel in several samples previously mentioned the permissible boundaries established with the WHO [161,175]. The sources of hefty metallic contamination are different, which https://gablecarton.video.blog/2025/01/09/sustainable-water-packaging-leading-the-change/