Sperm may be preserved in liquid nitrogen.Logical formLearned from2 sentences. A (methane propulsion system) can be liquid.Logical formLearned from2 sentences. A rest can be liquid.Logical formLearned from2 sentences. Liquid oxygen may be used as a (rocket propellant).Logical formLearned from2 sentences. Some stages of a vehicle may use liquid oxygen.Logical formLearned from2 sentences. A chromotography can be liquid.Logical formLearned from2 sentences. Liquid fuels may be made from biomas.Logical formLearned from2 sentences. A (control system) can be liquid.Logical formLearned from2 sentences. A liquid nitrogen may undergo an application.Logical formLearned from2 sentences. A coefficient can be between some liquid phases.Logical formLearned from2 sentences. Some liquid phases may be used.Logical formLearned from2 sentences. Some phases can be liquid.Logical formLearned from2 sentences. Biofuels can be a liquid fuel.Logical formLearned from2 sentences. Liquid hydrogen may undergo a production.Logical formLearned from2 sentences. Exposure can be to liquid water.Logical formLearned from2 sentences.