Infrastructure

A switch with one input and two outputs

Illustration of an amphitheater

Scanner in action to identify people

Illustration of an arched wooden bridge

Illustration of a suspension bridge

Illustration of sideways view of Sydney Harbour Bridge, a through arch bridge

Reads data from a card

Illustration of a bulkhead

Illustration of cross vane weir

Illustration of mosquito ditches

Illustration of riprap used for erosion control

Illustration of a cell phone tower

Illustration of a second type of cell phone tower

3-D illustration of a radio tower

Illustration of a concrete bollard

Illustration of a bulldozer

Illustration of a crane, symbolizing construction

Illustration of heavy machinery moving a mound of earth, indicating construction

Illustration of an excavator

Illustration of a building construction in progress - a partially built house, frame only

Identify the nature or causes of a certain phenomenon

Illustration of a high voltage power stanchion

Illustration of a hydro power station

Illustration of a hydroelectric dam

Illustration of a hydroelectric Plant

Illustration of a hydroelectric turbine

Illustration of a nuclear power station

Illustration of a nuclear power station

Illustration of a power line

Illustration of a power plant with cooling towers releasing steam

Illustration of solar panels on the roof of an industrial park

Illustration of a wind turbine

Illustration of a wind turbine

A portable storage device

A factory or manufacturing plant

An above view of the square blue house, shows two of the structures walls and three side of the yellow pyramid roof. The house is elevated on stilts and has a set of stairs that lead up to the front entrance.

Transmission of information as light pulses

Transmission of information as light pulses

Illustration of an Indonesian fishing village

Illustration of an industrial building