If you need to repair some problems with the drain of your kitchen sink, some of the usual tools in your house will not do at all for this kind of repair might require you to use some special plumbing equipments like a different sized wrench for the large pipe that busted.  If your toilet is clogged, the simple plunger may not be enough, but couple it with a snake, and you might get the job done.  It might be simple repairs around the house, but you still have to use the proper plumbing equipments to make it easier for you.