Ключевые слова: agriculture, alternative, alternative energy, business, chop, commodity, construction, craft, craftsmanship, deforestation, ecology, energy, environment, fire, firewood, forest, forestry, fuel, harvest, harvester, harvesting, industrial, industrial background, industry background, jack, log, logging, lumber, male, material, natural, nature, people, product, production, rainforest, renewable, renewable energy, saw, source, sustainability, sustainable, technology, timber, tool, tree, truck, trunk, wood, work,