Layers may manifest thickness.Logical formLearned from21 sentences. A layer can be wide.Logical formLearned from21 sentences. A layer can be at a surface.Logical formLearned from21 sentences. A layer can be constituted-of-or-filled-with needles.Logical formLearned from21 sentences. A layer can be brittle.Logical formLearned from21 sentences. A layer can be coated.Logical formLearned from21 sentences. Layers can be constituted-of-or-filled-with iron.Logical formLearned from21 sentences. Layers can be constituted-of-or-filled-with polymers.Logical formLearned from21 sentences. A (boundary layer) may manifest thickness.Logical formLearned from21 sentences. Layers may pertain-to a cortex.Logical formLearned from21 sentences. Layers can be constituted-of-or-filled-with organic material.Logical formLearned from21 sentences. A layer can be low-level.Logical formLearned from21 sentences. A layer can be effective.Logical formLearned from21 sentences. A layer can be dry.Logical formLearned from21 sentences. A layer may pertain-to leadership.Logical formLearned from21 sentences.