Only if the Army Corp of Engineers is unavailable for it. Generally combat engineers are busy performing demolitions or assault bridging.
Aerospace engineers build aircraft
Softwares.
Mechanical engineers are responsible for both.
PYRAMIDS
civil engineers, structural engineers, and architects are the main bridge builders.
The most popular things they build are houses and buildings
Engineers make robots because it is their job. Along with engineers, Hackers make robots (not the computer hackers but the hackers who modify things). Overall anyone can build a robot, it is the engineers and hackers build them for a living.
to do things humans can not do
Build dams etc
There are many types of materials engineers use to build walls. Three possible construction materials are wood, brick, and concrete.
To build roads, airports, and hospitals
Build defenses and train for combat.