using a heat gun to tighten the plastic seal on the cap lid of a blue 20 liter hpde water container. a purified water refilling

heat gun heatgun hot blower seal sealant lid tighten close sealer electric tool equipment high temperature process shrink wrap fresh water hpde plastic container jugs blue hygiene refilling station gallon liter density poly ethylene canister aqua purified reusable box type surface h2o business dispenser mineral distilled store beverage clean commercial bottled safe drinkable drinking operations processed clear cap container business