Ключевые слова: banking, budget, chad, communication, conservation, consumption, continent, country, currency, development, distribution, eco, economy, electricity, energy, engineering, exchange, finance, flag, freedom, fund, generation, global, growth, high, industry, infrastructure, investment, line, network, power, production, render, resource, science, spend, station, structure, supply, sustainability, tax, technology, tension, tower, utility, warming,