1.
_______ is the safest method of treating water.
2.
For food safety, please check the appropriate todo list to prevent food from spoiling.
3.
How many percent of households bleach is needed for Chlorination?
4.
______ is the process of removal of microbes that resists the method of boiling and chlorination.
5.
Please check the items that should include in Basic Emergency Supply Kit.
6.
Please check items that are suggested for emergency food supplies.
7.
Please check items considered as emergency kit for car.
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