Infrastructure
- Air Routes
- Airdromes and Airstrips
- Communication Systems
        - Books
        - E-mail
        - Fax
        - Message Sticks
        - Mobile Phones
                - Smart Phones
                        - Apps
                - Text Messaging
        - Paper Mail
                - Letters
                - Postage Stamps
                - Postcards
        - Picture Boards
        - Signals
        - Tape Recorder
        - Telegraph
        - Telephone
        - Two-way Radio and Radio-telephone
 - Energy Supply and Facilities
        - Biomass Power
        - Electricity
        - Fuel
                - Ethanol
                - Firewood
                - Mineral Fuel
        - Geothermal Energy
        - Hydro Power
        - Nuclear Power
        - Solar Power
        - Thermal Power
        - Wind Power
- Port Facilities
- Railways
- Roads and Tracks
        - Causeways
        - Road Signs
- Sea Lanes
 - Transportation
        - Means of Transportation
                - Airplane
                - Bicycle
                - Cable
                - He'e Nalu (Hawaiian Wave Sliding)
                - Helicopter
                - Motorcar
                - Pipeline
                - Shipping
- Tunnels
- Waterworks
        - Aquaducts
        - Dredging
        - Rainwater Tanks
        - Water Pipes
        - Water Reservoirs
        - Water Sanitation
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