The theme of the given passage is the role and importance of construction engineers.
The narrator lists out the roles of construction engineers and also their importance in building and erecting structures and how they work under a general contractor to oversee the construction of buildings, bridges, etc.
This refers to the central message of a text that an author wants to convey to his readers.
Hence, we can see that The theme of the given passage is the role and importance of construction engineers.
The narrator lists out the roles of construction engineers and also their importance in building and erecting structures and how they work under a general contractor to oversee the construction of buildings, bridges, etc.
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