F&S Engraving provides appliance companies and their suppliers a variety of stamps and dies. Sharp-faced stamps are used to apply part numbers, serial numbers, and dates of manufacture. Hot stamps dies are used for decorating plastic components such as vacuum cleaners. Hot stamping is more durable than ink marking. Embossing dies can be used to stamp or decorate high-end metal appliances. Hot stamp dies are used for knobs, giving superior durability over silk screening by pressing the design into the plastic instead of printing it on the surface.