A (gas mask) can be with a (vapor canister).Logical formLearned from4 sentences. A mask can be beaklike.Logical formLearned from4 sentences. A mask can be to the world.Logical formLearned from4 sentences. A mask may pertain-to an administration.Logical formLearned from4 sentences. A mask may pertain-to a diver.Logical formLearned from4 sentences. Masks may undergo a creation.Logical formLearned from4 sentences. Masks may be found.Logical formLearned from4 sentences. Protection can be in a (mask work).Logical formLearned from4 sentences. A person may be puted on a mask.Logical formLearned from4 sentences. A mask can be inherited.Logical formLearned from4 sentences. Masks can be hot.Logical formLearned from4 sentences. A (signal mask) may pertain-to a process.Logical formLearned from4 sentences. True values may pertain-to a mask.Logical formLearned from4 sentences. Some elements may correspond to true values of a mask.Logical formLearned from4 sentences. A mask can be coated.Logical formLearned from4 sentences.