Read and understand repair schedules, machine manuals, performance specifications, wiring diagrams, and schematics of machining equipment.
阅读和理解检修计划，机器手册，性能说明书，线路图，及加工设备图表。
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People give them names, and if they have to be sent back for repair they carefully mark them to ensure they get the same machine back, says Nancy Dussault Smith of iRobot.