| Binary system |
| Alkaline ecosystems |
| PC linkup system |
| Feature of Melvil Dewey's book classification system |
| ___ system (blood classification) |
| Oft-replaced joint |
| Buy now, pay later" system |
| Diagnostic lab system |
| Armed joint? |
| A hopping joint? |
| System with dots and dashes |
| System of fixed attention, contemplation, concentration. |
| Paris underground system |
| Airline with missile defense systems |
| Plumber's joint |
| Aircraft-detection system |
| Shorthand system introduced in 1888 |
| Joint sometimes twisted when running |
| Joint |
| Corner joint |
| Electronic detection system |
| America's economic system |
| Ravine-crossing hauling systems |
| All systems go" signals |
| Joint on a prie-dieu |
| Audio system component |
| Right-angle pipe joint |
| Joint: Pref. |
| Maker of the Lynx and Jaguar systems |
| Airborne prescription-delivery system? |