construction: process of the building or assembling of a building or infrastructure

foundation: lowest and supporting layer of a structure

group of humans: any set of human beings

public works: broad category of infrastructure projects, financed and constructed by the government

road transport: collective term for all forms of transport which takes place on roads, or (ground) surface, except railroads

bridge: structure that spans and provides a passage over a road, railway, river, or some other obstacle

river: larger natural watercourse

worker: person who works

railway: interconnected network of infrastructure and vehicles used for train rail transport