Ключевые слова: agricultural, agriculture, asia, backdrop, brasiliensis, collect, collection, commodity, crude, elastic, fresh, hevea, industrial, industry, latex, lush, machine, material, method, methodology, milk, natural, nature, plant, plantation, procedure, process, produce, raw, rubber, sap, sheet, source, stick, supply, texture, thailand, tree, tropical, trunk, tyre, white, wood,