Ключевые слова: abstract, architecture, backgrounds, blank, blue, book, cardboard, childhood, classroom, closeup, concepts, construction industry, craft, creativity, design, desk, document, education, equipment, heap, ideas, indoors, industry, learning, literature, material, multi colored, nature, no people, old, outdoors, paper, pattern, pencil, plank, science, single object, space, stack, success, table, teaching, timber, toy, wood, work tool, working, workshop,