trenchless drilling Terms beginning with "A"
- AASHTO
- Abrasion
- Abrasion And Scratch Resistance
- Abrasive Jetting Machinery (AJM)
- AC
- Acceptable Quality Level (AQL)
- Accepted Use
- Access Shaft
- Acid Attack
- Acid Bottle Technique
- Acidic Deposition
- Acre-Foot
- Actual Well Path
- Adapter Ring (DSA)
- Adit
- Adjusting Construction
- Admixture
- Advance
- Advance Rate
- Aerial Sewer
- Aggressive Index
- Agitator
- Air Excavation
- Air Rotary Casing Hammer Technique (ARCH)
- Air Rotary Drilling
- Air Tightness Test
- AJM
- Alkaline
- Allowable Bend Radius
- American Association of State Highway and Transportation Officials (AASHTO)
- American National Standards Institute, Inc. (ANSI)
- American Society of Civil Engineers (ASCE)
- American Society of Testing and Materials (ASTM)
- American Water Works Association (AWWA)
- AMP
- Angular Deflection
- Angular Deviation
- Annular Filler
- Annular Pressure
- Annular Space
- Annulus
- Anode
- ANSI
- Apparent Tensile Strength
- AQL
- ARCH
- ArcInfo
- Arterials
- Asbestos Cement (AC)
- ASCE
- Asset Management Plan (AMP)
- Associated Petroleum Gas
- ASTM
- ATBM
- Auger
- Auger Boring
- Auger Machine
- Auger String
- Auger Tunnel Boring Machine (ATBM)
- Autoclaves
- Automated Directional Drilling
- Automatic Steering System
- Available Water
- AWWA
- Axial Camera
- Axial Tension Force
- Azimuth
- Azimuthal Deviation (msAD)
