Is the skimmer plastic? Does it have a black bottom? If so, there is a kit for this. Check out black bottom skimmer repair - search.
First you have to identify the fluid that is leaking then locate the source of the leak before we can tell you how to repair it.
Some typical radiator repair jobs are leaking hoses, leaking radiators or loose connections.
Gunite is a mixture of water, cement, and sand applied through a pressure hose to produce a dense layer of concrete. This is used most often to line tunnels and repair structures.
Replace the leaking part
You will be better off replacing it that trying to repair it.
Replaster!
stuff it with paper
Need repair of my washer keeps leaking I can transport my machine into the tech. shop
Replace the part it is leaking from.
You could repair a leaking fuel tank by taking it off of the vehicle and welding it. Once the welding has dried you may put it back on the vehicle.
The repair depends on where it is leaking oil. As you didn't list the location it is impossible to give an answer.The repair depends on where it is leaking oil. As you didn't list the location it is impossible to give an answer.
same that was removed