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| Device | 1147 | A Device is an Artifact whose purpose is to serve as an instrument in a specific subclass of ... | ^ |
| HeatingDevice | 29 | A Device whose purpose is Heating something, e.g. electric heaters, heat lamps, ovens, stoves, ... | ^ |
| HomeAppliance | 42 | Home appliances are electrical/mechanical machines which accomplish some household functions, such ... | ^ |
| SandwichMaker | . | A sandwich maker is used to make toasted sandwiches. It can be either a cooking utensil designed to... | ^ |
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