| Subject | English | Italian |
| transp. | internal surface of unit of glazing | superficie interna del vetro |
| comp., MS | Microsoft Surface unit | unità Microsoft Surface (The set of hardware components that, together with the Microsoft Surface software, make up the Microsoft Surface product. At a high level, a Surface unit consists of a computer module and the Surface Vision System enclosed in a frame and covered by the Surface tabletop) |
| earth.sc. | plasma surface deposition unit | unità di deposizione di plasma sulle superfici |
| pack. | surface pressure per unit area | pressione per unità di superficie |
| comp., MS | Surface unit | unità Surface (The set of hardware components that, together with the Microsoft Surface software, make up the Microsoft Surface product. At a high level, a Surface unit consists of a computer module and the Surface Vision System enclosed in a frame and covered by the Surface tabletop) |
| astr. | unit surface | unità di superfìcie |