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- Bridges + Floors -- Materials -- Specifications
- Recoilless rifles + Specifications -- Former communist countries -- 20th century
- Smart cards + Specifications
- Laminated plastics -- Specifications
- Highway engineering -- Specifications -- United States
- Box girder bridges -- Specifications -- United States -- Handbooks, manuals, etc
- Vans -- Motors -- Exhaust gas -- Specifications -- United States
- Aeronautics -- Construction -- Specifications -- Standards -- United States
- Tactical missiles + Specifications -- Former communist countries -- 20th century
- Mustang automobile + Specifications
- Airports + Lighting -- Specifications -- United States -- Remote sensing
- Airports + Visibility -- Specifications -- United States -- Equipment and supplies -- Remote sensing
- Airports + Visibility -- Specifications -- United States -- Equipment and supplies
- Military weapons + Specifications -- Former communist countries -- 20th century
- Identification cards + Specifications
- Underground electric lines -- Specifications -- United States -- Equipment and supplies
- Airports -- United States -- Maintenance and repair -- Specifications -- Management
- Vehicles, Military + Specifications -- Former communist countries -- 20th century
- Iron and steel bridges -- Specifications
- Biometric identification + Specifications
- Airport construction contracts -- Specifications -- United States -- Quality control
- Poultry + Packing -- Specifications -- United States
- Dwellings + Specifications -- United States
- Airports -- Construction -- Specifications -- Inspection -- United States
- Runways (Aeronautics) -- United States -- Maintenance and repair -- Specifications -- Management
- Airports + Electric equipment -- Specifications -- United States -- Remote sensing
- Automobiles + Motors + Exhaust gas -- Specifications -- United States
- Laminated plastics + Specifications
- Trucks + Motors + Exhaust gas -- Specifications -- United States
- Airports -- Construction -- Specifications -- Standards -- United States
- Eggs + Packing -- Specifications
- Bridges + Floors + Materials + Specifications
- Mortars (Ordnance) + Specifications -- Former communist countries -- 20th century
- Rocket launchers (Ordnance) + Specifications -- Europe, Eastern -- 20th century
- Runways (Aeronautics) -- United States -- Maintenance and repair -- Specifications
- Pavements -- United States -- Maintenance and repair -- Specifications -- Management
- Tunnels -- Specifications -- United States -- Handbooks, manuals, etc
- Airports -- United States -- Design and construction -- Specifications -- Congresses
- Airports -- United States -- Design and construction -- Specifications -- Quality control
- Artillery + Specifications -- Former communist countries -- 20th century
- Cartography -- Specifications -- United States
- Airplanes -- Specifications -- Certification -- United States
- Airports -- Foreign countries -- Design and construction -- Specifications -- Planning
- Airports -- Foreign countries -- Design and construction -- Specifications -- Bibliography
- Dwellings + Specifications -- United States -- Outlines, syllabi, etc
- Bridges + Live loads -- Specifications -- United States
- Artillery, Self-propelled + Specifications -- Europe, Eastern -- 20th century
- Howitzers + Specifications -- Former communist countries -- 20th century
- Sport utility vehicles -- Motors -- Exhaust gas -- Specifications -- United States
- Airports + Lighting -- Specifications -- United States -- Equipment and supplies