| Subject | English | Italian |
| comp., MS | key chain drive | chiavetta USB (A small device used to store information. USB flash drives plug into computer USB ports so you can copy information to or from them, making it easy to share and transport information) |
| patents. | key chains | portachiavi a catenella |
| patents. | key chains | catenelle per chiavi |
| patents. | metal key chains | catene metalliche per chiavi |