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2. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   As with the case of LED MR lamps, LED PAR lamps generally use an array of individual LED elements that are unsuitable for reflector operation. Nevertheless, some degree of beam control can be obtained with aperture or lens, and LED PAR 38 replacements with a 40° spread is common. Models built for stage lighting may use less similar dimensions.

3. Ace Hardware - Wikipedia

   en.wikipedia.org/wiki/Ace_Hardware

   Ace Hardware Malaysia currently has 22 branches nationwide as of January 1, 2022. [84] Ace Hardware Philippines Inc was founded in 1997, opening its first branch in the Philippines at SM Southmall in Metro Manila. [85] Currently, Ace Hardware has more than 100 branches all over the country. [86] [87] ACE Hardware is an affiliate of the SM Group ...

4. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   Luminous efficacy can be normalized by the maximum possible luminous efficacy to a dimensionless quantity called luminous efficiency.The distinction between efficacy and efficiency is not always carefully maintained in published sources, so it is not uncommon to see "efficiencies" expressed in lumens per watt, or "efficacies" expressed as a percentage.

5. Floodlight - Wikipedia

   en.wikipedia.org/wiki/Floodlight

   The most common type of floodlight was the metal-halide lamp, which emits a bright white light (typically 75–100 lumens/Watt). Sodium-vapor lamps are also commonly used for sporting events, as they have a very high lumen to watt ratio (typically 80–140 lumens/Watt), making them a cost-effective choice when certain lux levels must be provided. [4]

6. M9 armored combat earthmover - Wikipedia

   en.wikipedia.org/wiki/M9_Armored_Combat_Earthmover

   The M9 armored combat earthmover (ACE) is a highly mobile armored tracked vehicle that provides combat engineer support to frontline forces. Fielded by the United States Marine Corps, and the United States Army , its tasks include eliminating enemy obstacles, maintenance and repair of roads and supply routes, and construction of fighting positions.