1. The impetus for touchless fixtures was primarily:
2. When were touchless restroom fixtures introduced?
3. How are most touchless systems powered?
4. Dual-flush toilets use, on average, how many gallons of water per flush?
5. Faucets in the U.S. are designed to release how many gallons of water per minute?
6. What is the main cause of odor in urinals?
7. True or false: Many sensor-controlled faucets are designed to release water in 30-second intervals.
8. One of the main reasons water and sewer costs are expected to increase in the coming years is:
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