Since the invention of microwave oven, it has been inconvenient for users tostir and/or take out their food being cooked.Therefore, I have invented Ultimate Microwave Ovens to make it more convenientfor users to stir and/or take out their food beingcooked.And since the invention of concrete, ply wood, composite materials, and otherbuilding materials, the splinters of collapsed structureshave killed man people. To reduce the number of deaths of people by thesplinters of building materials, I have invented the Splinter-Proof Building Materials, such concrete, ply wood, or any other compositematerials, that are less likely to become pulverized wheneverand if it fails for any reason.A fish man's fishing traps and buoys are sometimes sabotaged or stolen bypeople. This can potentially destroy that living ofany fish man. Therefore, I have invented Anti-Sabotaging Fishing Buoy &Fishing Trap to secure any fish man's fishing traps and buoys