Ключевые слова: bag, basket, batteries, burning, car, chemical, chemicals, color, conservation, container, conveyor, doodle, drawn, environment, environmental, equipment, garbage, glass, grinder, hand, hazardous, icon, incineration, industry, item, landfill, metal, organic, paper, plastic, pollution, press, recognition, recycle, recycling, robotic, scrap, screw, scribble, sketch, sorting, symbol, technique, tires, transportation, trash, truck, useful, waste,