How do you close a hole on pipe?

To close a hole in a pipe, first, clean the area around the hole to ensure proper adhesion. You can use a patch made of a suitable material like epoxy putty or a pipe repair clamp for temporary fixes. For a more permanent solution, consider cutting out the damaged section and replacing it with a new piece of pipe, using appropriate fittings and sealants to secure it. Always ensure the repair is pressure-rated for the type of pipe and fluid being transported.