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2. Kerosene heater - Wikipedia

   en.wikipedia.org/wiki/Kerosene_heater

   The wicks require routine maintenance. With fiberglass wicks, the kerosene heater is placed outdoors and allowed to operate until it runs out of fuel. Tar and other leftover deposits on the wick are burned off. This should be done at least once a week if operated 24hr a day. With cotton wicks, the heater must never be run dry to clean the wick.

3. Kerosene lamp - Wikipedia

   en.wikipedia.org/wiki/Kerosene_lamp

   Flat-wick lamps have the lowest light output, center-draft round-wick lamps have three to four times the output of flat-wick lamps, and pressurized lamps have higher output yet; the range is from 8 to 100 lumens. A kerosene lamp producing 37 lumens for 4 hours per day for a month (120 hours) consumes about 3 litres (6.3 US pt; 5.3 imp pt) of ...

4. Aroma lamp - Wikipedia

   en.wikipedia.org/wiki/Aroma_lamp

   An evaporative diffuser is a device that uses a pad, filter, or reeds to diffuse the essential oils. [2] One of the disadvantages of this tool is that the light elements of the essential oils will be circulated around the ceiling first and will only come down at the end of the process.

5. Air freshener - Wikipedia

   en.wikipedia.org/wiki/Air_freshener

   Air fresheners from Febreze. Air fresheners are products designed to reduce unwanted odors in indoor spaces, to introduce pleasant fragrances, or both. They typically emit fragrance to mask odors but may use other methods of action such as absorbing, bonding to, or chemically altering compounds in the air that produce smells, killing organisms that produce smells, or disrupting the sense of ...

6. Candle wick - Wikipedia

   en.wikipedia.org/wiki/Candle_wick

   Wick of a candle Candle wick in a candle. A candle wick or lamp wick is usually made of braided cotton that holds the flame of a candle or oil lamp. A candle wick works by capillary action, conveying ("wicking") the fuel to the flame. When the liquid fuel, typically melted candle wax, reaches the flame it then vaporizes and combusts.

7. Diffuser (thermodynamics) - Wikipedia

   en.wikipedia.org/wiki/Diffuser_(thermodynamics)

   Diffusers can be as a shape of round, rectangular, or can be as linear slot diffusers (LSDs). E.g., linear slot diffusers take the form of one or several long, narrow slots, mostly semi-concealed in a fixed or suspended ceiling with airfoils behind the slots directing the airflow in the desired direction.

8. Diffusion (acoustics) - Wikipedia

   en.wikipedia.org/wiki/Diffusion_(acoustics)

   Diffusors (or diffusers) are used to treat sound aberrations, such as echoes, in rooms. They are an excellent alternative or complement to sound absorption because they do not remove sound energy, but can be used to effectively reduce distinct echoes and reflections while still leaving a live sounding space.

9. Air Wick - Wikipedia

   en.wikipedia.org/wiki/Air_Wick

   In October 2007, Reckitt Benckiser won a High Court ruling in a lawsuit with Procter & Gamble over claims that the design of Air Wick Odour Stop was an exact copy of P&G's Febreze air spray. [6] In March 2012, Air Wick announced its partnership with the official charity of the United States' National Park Service, the National Park Foundation.