(Energy conversion systems) can be efficient.Logical formLearned from4 sentences. A (conversion plan) may pertain-to a person.Logical formLearned from4 sentences. Conversions may use a (selection value).Logical formLearned from4 sentences. (Chemical conversions) may be required at some ends of a (separation cascade).Logical formLearned from4 sentences. A set can be constituted-of-or-filled-with (conversion functions).Logical formLearned from4 sentences. (Conversion functions) can be between field.Logical formLearned from4 sentences. A (test program) may illustrate (assignment conversions) on (reference values).Logical formLearned from4 sentences. A conversion may require an action.Logical formLearned from4 sentences. Conversions may change a type.Logical formLearned from4 sentences. Consequences can be constituted-of-or-filled-with (energy conversion).Logical formLearned from4 sentences. A conversion may cost a person.Logical formLearned from4 sentences. A (conversion route) can be for graduates.Logical formLearned from4 sentences. (Conversion methods) may include a (rounding practice).Logical formLearned from4 sentences. A conversion can be to units.Logical formLearned from4 sentences. Conversions can be reversible.Logical formLearned from4 sentences.