Underground pipeline
Water Supply and Oil Pipeline
Gas Pipeline, Heat Transmission pipe

Foundation Steel pipe pile
Building, Bridge, tank

Storage Tank
Tank bottom and internal

Port facilities
Offshore platform
Steel pipe pile, jacket

Reinforcement in Concrete
Pier, ferry terminal
road deck

Power plant
Condenser, Tidal Facilities
Heat Exchanger, Water Intake Facilities

Ship
Cargo ship, Warship, etc

Submarine pipeline, outfall pipe