 |
| |||
| buried drain; covered drain; drain; drain pipe; drain tile; field drain; field drain pipe; land pipe; lateral drain; subsoil pipe; subsurface drain; underdrain | |||
| drainagebuis: 3 phrases in 2 subjects |
| Agriculture | 2 |
| Medical | 1 |
|
| |||
| buried drain; covered drain; drain; drain pipe; drain tile; field drain; field drain pipe; land pipe; lateral drain; subsoil pipe; subsurface drain; underdrain | |||
| drainagebuis: 3 phrases in 2 subjects |
| Agriculture | 2 |
| Medical | 1 |