| http://www.w3.org/ns/prov#value | - Diapers and more particularly sanitary napkins are traditionally constituted by a first external layer permeable to physiological fluids, a central matrix essentially made of an absorbing material such as cloth, cotton, paper wadding or batts of cellulose fibre and a second external layer impermeable to physiological fluids and to aggregates formed by the physiological fluids with the absorbing ma
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