half absorb biosphere from decaying handkerchief
dust_cover is piece_of_cloth. handkerchief is not piece_of_cloth. biohazard_suit is protective_garment. towel is piece_of_cloth. dentifrice is cleansing_agent. biohazard_suit is not protective_garment. biological_decomposition is decomposing. handkerchief is piece_of_cloth. towel is not piece_of_cloth. biological_decomposition is not decomposing.