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the water in the boiler should be cleaned
★AN ENGINE WITH FINEST WORKMANSHIP & MATERIAL: Essential parts all made by SUJ2 bearing steel are of precision up to 0
the operation effect is the best
lamp under the heating end of the engine model
Stirling Engine Kit Metal Bootable V4 4-Cylinder Parallel Micro External Combustion Engine Model Price_$30-$50 the water in the boilerFeatures: . 100% brand new and high quality . Except the base is made of wood, the whole product is made of all metal material, polished and polished, perfect for high end texture, and it is a beautiful art. . The product can be used without receiving excessive debugging. . The key parts are commonly used brass + fine coating materials, which are not worn for a long time and have a service life of more than 10 years; . After the product is received,
