燃气家电维修技师可能需要省级气体钳工证，或燃具技师证书。
A provincial gas fitter licence, or gas appliance technician certificate, may be required for gas appliance service technicians.
锯钳工根据规格维修，安装并锐化乐队锯，链锯，圆锯和其他类型锯片。
Saw fitters repair, set and sharpen band saws, chain saws, circular saws and other types of saw blades according to specifications.
用途：适用于中、小型车床、刨床、铣床、磨床及其它设备的局部照明，还可用于钳工、化验室、维修等工作照明。
Usage: The lamps are suitable for local lighting of each middle and small machine tools, planing, boring and milling machines as well as for bench work, test bench and repairing work.
高级：热力司沪工、化工仪表维修工、化工检修钳工、化工检修电工、化工维修焊工。
High: Heat Division Shanghai engineering, chemical instrumentation bunkers, chemical equipment fitter, chemical overhaul electrician and chemical maintenance welder.
高级：热力司沪工、化工仪表维修工、化工检修钳工、化工检修电工、化工维修焊工。
High: Heat Division Shanghai engineering, chemical instrumentation bunkers, chemical equipment fitter, chemical overhaul electrician and chemical maintenance welder.
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