Ключевые слова: a4, abstract, aid, ambulance, banner, biology, blood, booklet, business, chromosome, clone, code, cover, dna, doctor, education, element, flyer, gene, genetic, graphic, health, heart, hospital, human, icon, illustration, information, knowledge, layout, leaflet, life, medical, medicine, minimal, molecule, object, page, report, science, shadow, sign, simple, symbol, web, website,