I am a mechanician.(electrician, Pipelayer,welder, carpenter, turner, blacksmith, builder, erector, riveter,rigger, concrete worker, engine-driver,repair worker).

我机械工。（电工、管工、焊工、木工、车工、铁工、建筑工人、装工人、铆工、起重工、混凝土工、司机、维修工）。