cabana: indigenous hut or recreational structure

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

dirt road: unpaved road made from the native material of the land surface

Amazon rainforest: large rainforest in South America

group of humans: any set of human beings

concrete mixer: movable or stationary machine that combines cement, aggregate such as sand or gravel, and water to form concrete

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

worker: person who works