Ключевые слова: besser block, block, breeze block, building, building block, cement, cement block, cinder block, cmu, concrete, concrete block, conctete masonary unit, construction, construction block, copy space, foundation block, gravel, gray, isolated, isolated on white, material, nobody, partition, pile, rock, rough, rugged, stack, still life, stone, strong, texture, textured, three objects,