| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [conj] steel work at [noun] | 5 |
|
| 2 | [noun sg] [conj] steel work at [noun] | 5 |
|
| 3 | iron [conj] steel work at [noun] | 5 |
|
| 4 | iron [conj] steel work at [noun] | 5 |
|
