trenchless drilling Terms beginning with "N"
- Narrow Trenching
- NASTT
- NATM
- Natural Levee
- Navigable Water
- NDT
- New Austrian Tunneling Method (NATM)
- New Installation
- Nitrate
- NMDC
- No-Dig Repair
- Node
- Nominal Diameter (DN)
- Nominal Pipe Size (NPS)
- Non-Associated Petroleum Gas
- Non-Destructive Testing (NDT)
- Non-Mag (NMDC)
- Non-Vertical Bore Path
- North American Society for Trenchless Technology (NASTT)
- NPS
- Nuclear Waste Storage
