91. A building enclosing a latrine to provide privacy and protection for users is known as
92. A network of Interconnected sewers in the area, district or town is known as:
93. Aeration of water during wastewater treatment removes which of these?
94. After a toilet is flushed, what must happen to the flush valve?
95. After flushing the toilet, where does the water and waste go?
96. All toilets have.................main components.
97. Approximately...............people in the world lack access to clean, safe water.
98. At least how many times should one wash teeth?
99. Dried................is used as manure.
100. Effluent is mainly generated from which of these?
101. Expanded form of HIV is:
102. Food Contact surfaces should be cleaned:
103. Half of Indias groundwater is
104. How can you tell if food has enough bacteria to cause food poisoning?
105. How does a pit toilet or latrine work?
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