A molding can be hollow.Logical formLearned from2 sentences. An area can be hollow.Logical formLearned from2 sentences. An arch can be hollow.Logical formLearned from2 sentences. Pushrods can be hollow.Logical formLearned from2 sentences. A hollow body may mean that something-is-the-case.Logical formLearned from2 sentences. (Glass wall blocks) can be hollow.Logical formLearned from2 sentences. A (cast iron) can be hollow.Logical formLearned from2 sentences. Lenses can be hollow.Logical formLearned from2 sentences. A nebula can be hollow.Logical formLearned from2 sentences. Some ottomans can be hollow.Logical formLearned from2 sentences. A bow can be hollow.Logical formLearned from2 sentences. A (nerve tube) can be hollow.Logical formLearned from2 sentences. A disk can be hollow.Logical formLearned from2 sentences. Caps can be hollow.Logical formLearned from2 sentences. (Floor slabs) can be hollow.Logical formLearned from2 sentences.