Materials can be in formats.Logical formLearned from141 sentences. Material can be from an album.Logical formLearned from141 sentences. Material can be harmful to minors.Logical formLearned from141 sentences. (Learning materials) can be online.Logical formLearned from141 sentences. Materials can be inert.Logical formLearned from141 sentences. Materials can be conductive.Logical formLearned from141 sentences. Materials may undergo a treatment.Logical formLearned from140 sentences. A majority may pertain-to materials.Logical formLearned from140 sentences. Some feet can be constituted-of-or-filled-with material.Logical formLearned from140 sentences. A material may pertain-to a government-agency.Logical formLearned from140 sentences. A material can be detailed.Logical formLearned from140 sentences. A need can be for materials.Logical formLearned from139 sentences. A material may be stored.Logical formLearned from139 sentences. (Material facts) can be undisputed.Logical formLearned from139 sentences. Sources can be constituted-of-or-filled-with materials.Logical formLearned from139 sentences.