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2. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   Dimmable CFLs are not a 100% replacement for incandescent fixtures that are dimmed for "mood scenes" such as wall sconces in a dining area. Below the 20% limit, the lamp may remain at 20% or flicker or the starter circuitry may stop and restart. [60] Above 80%, the bulb may operate at 100%.

3. List of automotive light bulb types - Wikipedia

   en.wikipedia.org/wiki/List_of_automotive_light...

   12 V: 60 / 55 W P26.4t USA ANSI № 9008 ECE nominal luminous flux: 1,700 / 1,100 lm ±15% H13A 2 12 V: 60 / 55 W PJ26.4t USA H15 2 12 V: 55 / 15 W 24 V: 60 / 20 W PGJ23t-1 USA ECE nominal luminous flux: 26/1350 ±10% Low-wattage filament for DRL function H16 1 12 V: 19 W PGJ19-3 H16B 1 12 V: 19 W PGJY19-3 H21W 1 12 V & 24 V: 21 W BAY9s H27W/1 1

4. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   The best color rendition LEDs use a mix of phosphors, resulting in less efficiency and better color rendering. [citation needed] The first white light-emitting diodes (LEDs) were offered for sale in the autumn of 1996. [24] Nichia made some of the first white LEDs which were based on blue LEDs with Ce:YAG phosphor. [25]

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   The units went on sale in 1932 at US$10,000 to $50,000 (the equivalent of $200,000 to $1,100,000 in 2023.) [20] A year later, the first air conditioning systems for cars were offered for sale. [34] Chrysler Motors introduced the first practical semi-portable air conditioning unit in 1935, [ 35 ] and Packard became the first automobile ...

6. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   A modern ceiling fan A ceiling fan mid-spin. A ceiling fan is a fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air.

7. IKEA - Wikipedia

   en.wikipedia.org/wiki/IKEA

   In 2020, IKEA conducted a "Buy Back Friday" campaign with a message to present a new life to old furniture instead of offering customers to buy new items for Black Friday. [253] In June 2021, IKEA said it had suspended adverts on GB News because of concerns the channel's content would go against their aim to be inclusive. In a statement IKEA ...