A (gas line) may pertain-to a male.Logical formLearned from12 sentences. A bag may be stocked with a (gas mask).Logical formLearned from12 sentences. Environmentalists can be with (greenhouse gas restrictions).Logical formLearned from12 sentences. A landfill may produce (methane gas).Logical formLearned from12 sentences. A (gas drilling) can be urban.Logical formLearned from12 sentences. (Hydroxy gas) can be combustable.Logical formLearned from12 sentences. Hydroxy gas may undergo a combustion.Logical formLearned from12 sentences. Gas may be created.Logical formLearned from12 sentences. Persons may run on gas.Logical formLearned from12 sentences. A biproduct of (hydroxy gas) can be (water vapor).Logical formLearned from12 sentences. A standard of (gas production) may be measured in liters.Logical formLearned from12 sentences. Electrodes may produce (hydroxy gas).Logical formLearned from12 sentences. Molecules may pertain-to a (hydroxy gas).Logical formLearned from12 sentences. A male may take a foot off gas.Logical formLearned from12 sentences. (Gas price-gouging) can be in southeastern states.Logical formLearned from12 sentences.