Ключевые слова: alone, awareness, back, bag, bin, bucket, carry, carrying, child, children, classroom, clean, dirt, dirty, disposal, dump, ecology, education, environment, environmental, female, full, garbage, girl, girls, hold, holding, household, litter, object, package, people, person, pick, plastic, pollution, recycle, recycling, refuse, role, rubbish, school, section, shift, student, students, trash, uniform, waste, women,