.TRANSFORM.HeatAndMassTransfer.Examples.ExamplesFrom_NellisAndKlein.Example_1_6_1_SolderingTubes.part_b_withInsulatingSleeves .TRANSFORM.HeatAndMassTransfer.Examples.ExamplesFrom_NellisAndKlein.Example_1_6_1_SolderingTubes.part_b_withInsulatingSleevespart b) Add insulating sleeves to reduce the necessary soldering power