Heavy metallic contamination in groundwater is A serious worry in Pakistan, and scientific tests have described the presence of hefty metals like lead, cadmium, chromium, and nickel in several samples earlier mentioned the permissible boundaries set from the WHO [161,a hundred seventy five]. The sources of weighty metal contamination are https://www.tumblr.com/gabletoppak/772204248398249984/gabletop-pak-pioneering-sustainable-packaging?source=share