You are probably familiar with the expression “an ounce of prevention is worth a pound of cure”? Benjamin Franklin said this way back when. Of course, I don’t know what he was referring to at the time but there are so many applications. Think about a door knob. If it becomes loose, it’s a good idea to tighten the screws before the whole thing falls off. You don’t want to wait too long to attend to this task or you may have an even bigger problem to fix, right? Preventive maintenance is one of the best ways to keep little…