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  2. Parabolic aluminized reflector - Wikipedia

    en.wikipedia.org/wiki/Parabolic_aluminized_reflector

    Usage includes theatrical lighting, locomotive headlamps, aircraft landing lights, and residential and commercial recessed lights ("cans" in the United States). Many PAR lamps are of the sealed beam variety, with a parabolic reflector , one or more filaments , and a glass or plastic lens sealed permanently together as a unit.

  3. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

  4. Raised pavement marker - Wikipedia

    en.wikipedia.org/wiki/Raised_pavement_marker

    The RPMs are usually raised for visibility, but in snowplow areas these types of RPMs can be installed flush-mounted within the pavement to avoid the snowplows. There are a number of types, ranging from a single LED point source RPMs, with limited daytime visibilities, (road studs), to multi-LED linear type RPMs, visible in all full sunlight ...

  5. Recessed light - Wikipedia

    en.wikipedia.org/wiki/Recessed_light

    Recessed lighting styles have evolved with more manufacturers creating quality trims for a variety of applications. Recessed lighting trim usually comes in the standard baffle in black or white, which is the most popular. [citation needed] They are made to absorb extra light and create a crisp architectural appearance.

  6. Bollard - Wikipedia

    en.wikipedia.org/wiki/Bollard

    An illuminated bollard has a recessed base light unit in the foundation to illuminate the traffic bollard from all angles. [15] The main components are housed below the road or pedestrian surface (typically a concrete surface) so that if a vehicle strikes the traffic bollard the parts below the surface are not damaged.

  7. LED stage lighting - Wikipedia

    en.wikipedia.org/wiki/LED_stage_lighting

    LED stage lights come in three main types. PAR cans, striplights [1] and 'moving head' types [citation needed]. In LED PAR cans, a round printed circuit board with LEDs mounted on is used in place of a PAR lamp. Moving head types can either be a bank of LEDs mounted on a yoke or more conventional moving head lights with the bulb replaced with ...

  8. Road surface marking - Wikipedia

    en.wikipedia.org/wiki/Road_surface_marking

    These include water, sand, crushed glass, dry ice and soda. High-pressure water blasting method uses 30,000 psi (210 MPa) water jet system on a truck equipped with vacuum heads to blast out the markings and suction up the water and debris back to the storage area of the truck. The method can remove markers at speeds of 2 mph (3.2 km/h).

  9. List of This Old House episodes (seasons 21–30) - Wikipedia

    en.wikipedia.org/wiki/List_of_This_Old_House...

    Lighting designer Susan Arnold shows Steve the many choices in recessed downlights, including the ones picked for the kitchen, which electrician Peter Woodbury is installing. In the basement, Richard Trethewey explains the plumbing setup to homeowner David McCue, who is eager to understand which part does what and what he should and should not ...