Ключевые слова: abstract, background, brain, brazil, cement, circle, clock, closeup, college, concentration, concrete, construction, cylinder, design, drainage, effective, efficiency, floor, gray, industrial, industry, intelligent, material, memorization, new, pattern, pipe, pipeline, piping, plastic, plumbing, pomodoro, productivity, pvc, red, sewer, stack, stone, strategy, studies, study, studying, surface, technique, texture, tomato, tube, wall, water, white,