| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Heater, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Clothes iron, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Snowblower, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Clothes dryer, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Home furnace, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Shower bath, device | Is a | False | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Air-conditioner | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Clothes wringer, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Electrical outlet, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Bathinette, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Refrigerator, device | Is a | False | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Household furniture, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Household ventilator, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Fireplace, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Aerosol sprayer, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Garbage disposal appliance, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Kitchen sink, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Freezer, device | Is a | False | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Household humidifier, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Bathtub, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Icebox, device (physical object) | Is a | False | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Clothes washer, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Lawnmower, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Toy, device | Is a | False | Household appliance | Inferred relationship | Existential restriction modifier |  | 
| Stove, device | Is a | True | Household appliance | Inferred relationship | Existential restriction modifier |  |