| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun] [noun] | 149537 |
|
| 2 | and [noun sg] [noun] | 84486 |
|
| 3 | [conj] safety [noun] | 796 |
|
| 4 | and safety [noun] | 729 |
|
