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2. Dual flush toilet - Wikipedia

   en.wikipedia.org/wiki/Dual_flush_toilet

   The lack of siphoning also means that the toilet requires less water to operate. [6] Due to this, the waterline is considerably lower than that in siphon-flush toilets. The toilet has two buttons on the cistern rather than the single-flush one; one button delivers a lesser amount of water (eg. 3 litres) and the other a greater amount (eg. 6 ...

3. Vanish (toilet cleaner) - Wikipedia

   en.wikipedia.org/wiki/Vanish_(toilet_cleaner)

   Initially, Vanish sold their product in a white 22-ounce showing the bowl cleaner coming from the bottom of the "I". After World War II, Vanish advertising started to show a woman pouring the product into a toilet bowl, and then a hand, obviously female, pouring powder into a toilet bowl. Dunaway won on appeal. [3]

4. Portable toilet - Wikipedia

   en.wikipedia.org/wiki/Portable_toilet

   A portable urine-diverting dry toilet, marketed in Haiti by Sustainable Organic Integrated Livelihoods under the name "EkoLakay". A portable or mobile toilet (colloquial terms: thunderbox, porta-john, porta-potty or porta-loo) is any type of toilet that can be moved around, some by one person, some by mechanical equipment such as a truck and crane.

5. Switched-mode power supply - Wikipedia

   en.wikipedia.org/wiki/Switched-mode_power_supply

   Unlike a linear power supply, the pass transistor [a] of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high-dissipation transitions, which minimizes wasted energy. Voltage regulation is achieved by varying the ratio of on-to-off time (also known as duty ...