21. Instead came the idea of having multiple groups of cylinders and driven wheels mounted in one rigid frame . 22. From a technical prospective, the Rodeo and Amigo were built with a rigid frame that has eight crossmembers. 23. I wonder if instead of a rigid frame , if he ever tried the fuel tank suspended by a hose. 24. Previously, the only locomotives with two sets of drivers were articulated locomotives, but the duplex used one rigid frame . 25. Prestressed concrete is a major advancement in concrete engineering and has effectively been used in rigid frame bridge construction. 26. Unlike the rasp or file, the surform is made of a sheet-thin gauge steel mounted on a rigid frame . 27. With the bell now fixed in a rigid frame , the new clock mechanism uses a hammer to strike the bell. 28. Cam that is activated by the climber's body moving down to rotate the simple grab cam inside a rigid frame . 29. It swiveled independently from the main frame of the locomotive, in contrast to the English engines which had rigid frames . 30. Conventional traction kites use either a rigid frame inflated with a pump prior to launching or ram air inflated cavities.
