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| piping and conduit | |||
| pipeline A line of pipe connected to valves and other control devices, for conducting fluids, gases, or finely divided solids | |||
| pipeline | |||
| oil pipeline | |||
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| petroleum pipe line | |||
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| piping | |||
| pijpleiding: 17 phrases in 10 subjects |
| Agriculture | 1 |
| Coal | 3 |
| Construction | 1 |
| Economy | 1 |
| Environment | 2 |
| Finances | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Mineral products | 1 |
| Transport | 5 |