Technology: Engineering & Design

Chapter 20: Large-Scale Construction

Road construction involves the building of any type of road, including streets and highways.
Bridges allow people and vehicles to pass over obstacles.
Dams control or block the flow of water.
Canals are artificial waterways.
A tunnel allows people and vehicles to pass under an obstacle.
Pipelines are an efficient way to transport products such as water, crude oil, refined petroleum, and natural gas.