A precursor can be amorphous.Logical formLearned from2 sentences. A density can be amorphous.Logical formLearned from2 sentences. A membrane can be amorphous.Logical formLearned from2 sentences. Fears can be amorphous.Logical formLearned from2 sentences. Thermoplastics can be amorphous.Logical formLearned from2 sentences. An (indium oxide) can be amorphous.Logical formLearned from2 sentences. (Spiral arms) can be amorphous.Logical formLearned from2 sentences. Modifications can be amorphous.Logical formLearned from2 sentences. Aluminas can be amorphous.Logical formLearned from2 sentences. A battle can be amorphous.Logical formLearned from2 sentences. Insulators can be amorphous.Logical formLearned from2 sentences. A (sodium aluminosilicate) can be amorphous.Logical formLearned from2 sentences. Amorphous silicon may have a bandgap.Logical formLearned from2 sentences. A surface may be covered by a mixture of amorphous ice.Logical formLearned from2 sentences. A mixture can be constituted-of-or-filled-with amorphous ice.Logical formLearned from2 sentences.