I imstevegaitan 2 years ago · Freead1.net · Edited Actions Operation hours are the robot hours that are most commonly referenced. Operation hours are the total hours a robot has o ... See more What Are The Different Robot Hours?? Ask Here - 3542095 Operation hours are the robot hours that are most commonly referenced. Operation hours are the total hours a robot has operated in its entire lifespan https://freead1.net