Maintenance cleaning the garbage before disposal by Wet and dry cleaning waste garbage men's tank The garbage and not like paper, plastic bottles and should not leave rubbish into the river.
Maintaining clean by separating garbage before leaving wet waste and dry waste into the right bins and unsatisfactory implementation of waste such as paper, plastic bottles and should not litter in the river.
Maintaining the cleanliness by separate garbage. Before leaving, separate the garbage and garbage. People tank, the garbage available and used, such as paper. Plastic bottles and should not waste into the river.