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2. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   HID lamps are used in high-performance bicycle headlamps, as well as flashlights and other portable lights, because they produce a great amount of light per unit of power. As the HID lights use less than half the power of an equivalent tungsten-halogen light, a significantly smaller and lighter-weight power supply can be used. HID lamps have ...

3. Plastic headlight restoration - Wikipedia

   en.wikipedia.org/wiki/Plastic_headlight_restoration

   Headlight restoration or plastic headlight restoration is the act of restoring aged headlight lenses that have become discolored or dull due the original factory UV protective coating degrading primarily due to UV light and other environmental factors such as road debris impact (stones, sand, etc.) rain, and exposure to caustic chemicals.

4. Metal-halide lamp - Wikipedia

   en.wikipedia.org/wiki/Metal-halide_lamp

   It is a type of high-intensity discharge (HID) gas discharge lamp. [1] Developed in the 1960s, they are similar to mercury vapor lamps, [1] but contain additional metal halide compounds in the quartz arc tube, which improve the efficiency and color rendition of the light. The most common metal halide compound used is sodium iodide. Once the arc ...

5. Exterior cleaning - Wikipedia

   en.wikipedia.org/wiki/Exterior_cleaning

   Exterior cleaning draws on aspects of environmental care, architecture preservation, and public safety, in addition to traditional cleaning. In some jurisdictions, exterior cleaners must be licensed to practice, e.g., window cleaners require a license to operate in Scotland. [1] [2]

6. Commercial cleaning - Wikipedia

   en.wikipedia.org/wiki/Commercial_cleaning

   This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Cleaning service provided for commercial buildings and establishments "Cleaning company" redirects here. For the Australian documentary film also known as "The Cleaning Company", see Clean (2022 film). This article needs additional citations for verification. Please help improve this ...

7. Headlamp (outdoor) - Wikipedia

   en.wikipedia.org/wiki/Headlamp_(outdoor)

   These lamps consisted of an incandescent lamp with a reflector, and a belt-mounted wet-cell storage battery [citation needed] sized to power the lamp for the entire working shift. [citation needed] After 12 hours a 1917-era miner's lamp produced less than one candlepower and about 2 to 5 total lumens. [3] This pattern became popular for similar ...

8. Cleaner - Wikipedia

   en.wikipedia.org/wiki/Cleaner

   7133.2 - building exterior cleaner: "Building exterior cleaners remove dirt and litter from a building's exterior, as well as perform restoration tasks. They ensure the cleaning methods are compliant with safety regulations, and monitor the exteriors to ensure they are in proper condition."

9. Home improvement - Wikipedia

   en.wikipedia.org/wiki/Home_improvement

   The concept of home improvement, home renovation or remodeling is the process of renovating, making improvements or making additions to one's home. [1] Home improvement can consist of projects that upgrade an existing home interior (such as electrical and plumbing), exterior (masonry, concrete, siding, roofing) or other improvements to the property (i.e. garden work or garage maintenance ...