huge chef now moves towards the crankcase once again every millimeter counts very slowly six tons of high-grade metal are approaching the interior of the engine if the component were to slough the irreparable damage would be caused [Music] after 20 minutes the difficult task is completed the fitters now turn the huge frame a few more degrees to gain better access to the engines inlets over the next few hours they will install 20 of these cylinder Pistons later the entire combustion process will take place in