Ключевые слова: alone, borders, business, canned, canning, clear, closed, concept, conservation, conserve, earth, geography, glass, glassware, globe, hands, homemade, idea, ideas, interesting place, investment, isolate, isolated, isolation, jar, kitchen, layout, maintenance, map, object, plan, planet, preservation, preserve, protect, protecting, quarantine, safety, save, saving, savings, tourism, translucent, transparent, universe, virus, visit, world,