Boxcars can be closed.Logical formLearned from3 sentences. A porosity can be closed.Logical formLearned from3 sentences. Alveoli can be closed.Logical formLearned from3 sentences. A result can be closed.Logical formLearned from3 sentences. A country can be closed systems.Logical formLearned from3 sentences. An (access library) can be closed.Logical formLearned from3 sentences. (Opposition newspaper) can be closed.Logical formLearned from3 sentences. A picture can be closed.Logical formLearned from3 sentences. A male may feel closed.Logical formLearned from3 sentences. A grave can be closed.Logical formLearned from3 sentences. Trajectories can be closed.Logical formLearned from3 sentences. A closed manifold can be connected.Logical formLearned from3 sentences. A stratum can be closed.Logical formLearned from3 sentences. A closed system can be constituted-of-or-filled-with hoses.Logical formLearned from3 sentences. A (distribution model) can be closed.Logical formLearned from3 sentences.