Author: jchua048

Application Exercise 22/02/17

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1. Boiling- Water can be boiled over a campfire. Bacteria is killed by high boiling temperature but boiling on its own may not get rid of harmful chemicals present in the water. If water is boiled over a campfire, little cost is needed but hikers have to know how to start a fire. Purification tablets – Add purification tablets to… Read more →

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