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  2. Rail integration system - Wikipedia

    en.wikipedia.org/wiki/Rail_integration_system

    A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...

  3. Line-of-sight propagation - Wikipedia

    en.wikipedia.org/wiki/Line-of-sight_propagation

    diffraction through windows, and attenuated passage through walls, into the building; reflection, diffraction, and attenuated passage through internal walls, floors and ceilings within the building; The combination of all these effects makes the mobile phone propagation environment highly complex, with multipath effects and extensive Rayleigh ...

  4. Line of sight - Wikipedia

    en.wikipedia.org/wiki/Line_of_sight

    This page was last edited on 16 January 2025, at 22:36 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. Replacement value - Wikipedia

    en.wikipedia.org/wiki/Replacement_value

    The term replacement cost or replacement value refers to the amount that an entity would have to pay to replace an asset at the present time, according to its current worth. [1] In the insurance industry, "replacement cost" or "replacement cost value" is one of several methods of determining the value of an insured item. Replacement cost is the ...

  6. Bundling of Microsoft Windows - Wikipedia

    en.wikipedia.org/wiki/Bundling_of_Microsoft_Windows

    Acer US has a Windows refund program where a user can ship a computer with an unused copy of Windows to the Acer service center and have the computer returned without Windows for a refund. [32] Acer's policy requires the customer to return items at their own expense, and the balance received by the customer can be as low as €30. [ 33 ]

  7. Cost driver - Wikipedia

    en.wikipedia.org/wiki/Cost_driver

    The Activity Based Costing (ABC) approach relates indirect cost to the activities that drive them to be incurred. Activity Based Costing is based on the belief that activities cause costs and therefore a link should be established between activities and product. The cost drivers thus are the link between the activities and the cost of the product.

  8. How Much Does it Cost to Replace a Roof? - AOL

    www.aol.com/much-does-cost-replace-roof...

    On average, labor will account for 60 percent of your roof replacement costs. ... This part of the project typically costs $1 to $5 per square foot or an average of $1,000 to $1,500.

  9. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    The cost of a solar PV module make up the largest part of the total investment costs. As per the recent analysis of Solar Power Generation Costs in Japan 2021, module unit prices fell sharply. In 2018, the average price was close to 60,000 yen/kW, but by 2021 it is estimated at 30,000 yen/kW, so cost is reduced by almost half.