| |||
| computer-generated letter; computer-generated mailing piece; data mailer | |||
|
pli : 45 phrases in 14 subjects |
| Agriculture | 2 |
| Chemistry | 2 |
| Cultural studies | 2 |
| Environment | 1 |
| Industry | 6 |
| Materials science | 6 |
| Mechanic engineering | 6 |
| Medical | 1 |
| Metallurgy | 1 |
| Mining | 1 |
| Municipal planning | 1 |
| Patents | 2 |
| Technology | 13 |
| Transport | 1 |