Study group think bring local herbs which I think can be Remover cleaner. Brought to trial for any comparison between compounds that are the chemical remover and remover that comes from nature.
The study group is a local herb that can be used to clean stains. The experiment was a comparison between dispersants and dispersants are chemicals that come from nature.
the study think the medicinal plants that can be used to remove local clean. A method for determining the comparison between compound brush is a chemical substance and drain comes from nature.