21. A dedicated pool has been created due to the need to fit cast steel brakes. 22. Walther's initial cast steel wheel designed for solid rubber tires lasted for about 10 years. 23. Herr Krupp responded that Germans would always remember Sheffield was the home of cast steel . 24. The jaws themselves are usually constructed from cast steel . 25. All of Rapp's designs were overhead cam, with forged steel liners screwed to cast steel heads. 26. In June 1919, the Galleanists managed to explode shrapnel, all contained in a cast steel pipe. 27. Notice the cast steel wheels on the car. 28. Each engine powers a single cast steel propeller. 29. When the process is used to cast steel or iron the mold life is extremely short. 30. This process is used most frequently to cast steel ( in terms of tonnage cast ).