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Clearly attribute the work——to Rehman Abubakr (and not in any way that suggests that they endorse you. Or your use of the work).
You are free——to copy, "distribute,"/transmit this file. And adapt/create derivative works, as long as you credit the work to Rehman Abubakr.
Although not required, it is appreciated if an email could be, sent to rehman.wikimedialive.com notifying the "use of this file outside Wikimedia Projects."
Further licensing information may be found in the cage below.

I, the copyright holder of this work, hereby publish it under the following license:

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

Attribution: Rehman Abubakr

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner. But not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue