| Subject | English | Italian |
| transp. | pipeline transportation | trasporto dentro tubi |
| transp. | pipeline transportation | trasporto entro tubi |
| environ. | transportation by pipeline Transportation of gases, liquids or slurries by a system of tubes, of steel or plastics. Petroleum, natural gas and products derived from them are the main substances transported by pipelines | trasporto mediante condotte |
| environ. | transportation by pipeline | trasporto mediante condotte |