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

Amazon rainforest: large rainforest in South America

group of humans: any set of human beings

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

rail: linear bearing and guide elements used in rail transport

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

worker: person who works

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