fix it
Its called fixing something that is broken.
mend
repair means when you fix something
A material covering a hole is called a patch. It can be used to repair damage or prevent something from escaping.
Repair is fixing something that has broken, alteration is improving something.
To mend it
Alteration is a change made to something. Repair is an attempt to make something work exactly as it did before. Repair you fix the thing alteration you change it.
A hardware is something you want to put up for example if i asked a man I needed hardware done i would ask him to build something not repair. If I asked for a repair its fixing
it can repair itself
To fix it.
fix
You fix it or mend it