Ключевые слова: agriculture, asia, bark, bowl, collect, collection, crop, crude, cup, cut, droop, elastic, exotic, farm, forest, green, hevea, latex, leaf, liquid, milk, milky, natural, nature, park, plant, plantation, pot, produce, production, reserve, rubber, sag, sap, stick, sunlight, supply, surface, tapping, thailand, tree, tropical, um, white, whole, wood,