My window needs maintenance; it is difficult to open and close and does not close fully. Probably the hinge

Description:

My window needs maintenance; it is difficult to open and close and does not close fully. Probably hinge or rail adjustment is needed, and small part replacement can also be done if necessary. I have only one window at home, and I think the job will not take very long. I want to arrange with a suitable repairman and solve the problem.

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