Session 7: Water and Waste I

For today's class, we'll continue where we left off last time.
Session 6 (II) - Fire Protection System is uploaded here.

For Session 7, the note is uploaded here.

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The clips I showed today are from the links below ka.

Water - Good Magazine

Water Conservation - Good Magazine

Natural Water Cycle


Based on some questions in class - see more information below:

Sea and salt