#3rd engineer part in main engine piston oh

hello, guys this is one of the job that every 3rd engineer has to do. i have taken some of the videos to show you guys what is happening during main engine decarb. decarb meaning a routine maintenance that need to perform by engineering staff in order to regain the optimum performance of the main engine by overhauling the piston, measuring the clearances specially on this occasion we can take particular liner measurement. enjoy the video guys, this one is not with full explanations, and i try to do next one with proper tools 👌😊📸📹 cheers