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2. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A UPS designed for powering DC equipment is very similar to an online UPS, except that it does not need an output inverter. Also, if the UPS's battery voltage is matched with the voltage the device needs, the device's power supply will not be needed either. Since one or more power conversion steps are eliminated, this increases efficiency and ...

3. Rack unit - Wikipedia

   en.wikipedia.org/wiki/Rack_unit

   Rack with sample component sizes including an A/V half-rack unit. A rack unit (abbreviated U or RU) is a unit of measure defined as 1 + 3 ⁄ 4 inches (44.45 mm). [1] [2] It is most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames, whereby the height of the frame or equipment is expressed ...

4. Euro container - Wikipedia

   en.wikipedia.org/wiki/Euro_container

   A Euro container, also called Eurobox, Euro crate or KLT box (from German: Kleinladungsträger, "small load carrier"), is an industrial stacking container conforming to the VDA 4500 standard. The standard was originally defined by the German Association of the Automotive Industry (VDA) for the automotive industry, but was subsequently adopted ...

5. ISO 668 - Wikipedia

   en.wikipedia.org/wiki/ISO_668

   ISO 668 – Series 1 freight containers – Classification, dimensions and ratings is an ISO international standard which nominally classifies intermodal freight shipping containers, and standardizes their sizes, measurements and weight specifications.

6. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   There is little evidence that the dimensions of these early racks were standardized. Telephone equipment racks (1923) The 19-inch rack format with rack-units of 1.75 inches (44.45 mm) was established as a standard by AT&T around 1922 in order to reduce the space required for repeater and termination equipment in a telephone company central ...

7. The USPS, UPS SurePost delivery contract is over. Will this ...

   www.aol.com/usps-ups-surepost-delivery-contract...

   Before the contract expiration, SurePost packages could be delivered by UPS or USPS to the 48 US states, Alaska, Hawaii, Puerto Rico, all U.S. Territories, PO Boxes and Military APO/FPO ...