Summer days put lots of folks in the mood for gardening. They're surprised when they pull out tools that were once nice and shiny, but now are now rusty, dull and yucky. If your tools look like Fred Flintstone's and your neighbor's look even worse -- like Barney Rubble's -- here's how to get those rusty garden tools out of the Stone Age and into petunias, roses, basil and sage. First, give rusty, dull and nonworking tools a good soak in cutting oil. It'll loosen surface grit and dirt, and soften up rust. Then give all surfaces a good cleaning with a soft wire wheel on an electric drill. When done, spray more cutting oil on all joints, seams and pivot points for good lubrication. Then use a file to sharpen all blades and cutting edges, even on shovels and hoes. Sharp tools are safer and easier to use. And less work means you'll be less tired. Clean them off and use oil when you're through. And that's the On The House tip for today.