| Subject | English | Spanish |
| polit. | machine operator | maquinista |
| forestr. | machine operator | operador de la máquina o maquinista |
| industr., construct. | machine operator -man-made fibres | operador de máquinas de producción de fibras químicas h/m |
| industr., construct. | machine operator m/f-man-made fibres | operador de máquinas de producción de fibras químicas h/m |
| polit. | machine tool operator | operador de máquinas herramientas |
| polit. | machine tool operator machine operator | operador de máquinas herramientas (maquinista) |
| industr., construct. | textile machine operator -carding | operador de máquinas textiles de preparación de hilatura h/m |
| industr., construct. | textile machine operator -dyeing | operador de máquinas textiles de tintura h/m |
| industr., construct. | textile machine operator -embroidery and textile decorations | operador de máquinas textiles de bordado y ornamento h/m |
| industr., construct. | textile machine operator -finishing and dressing | operador de máquinas textiles de apresto y acabado h/m |
| industr., construct. | textile machine operator -hosiery knitwear | operador de máquinas textiles de punto h/m |
| industr., construct. | textile machine operator m/f-carding | operador de máquinas textiles de preparación de hilatura h/m |
| industr., construct. | textile machine operator m/f-dyeing | operador de máquinas textiles de tintura h/m |
| industr., construct. | textile machine operator m/f-embroidery and textile decorations | operador de máquinas textiles de bordado y ornamento h/m |
| industr., construct. | textile machine operator m/f-finishing and dressing | operador de máquinas textiles de apresto y acabado h/m |
| industr., construct. | textile machine operator m/f-hosiery knitwear | operador de máquinas textiles de punto h/m |
| industr., construct. | textile machine operator m/f-non-wovens | operador de máquinas textiles de no tejidos h/m |
| industr., construct. | textile machine operator m/f-pre-weaving | operador de máquinas textiles de preparación del tisaje h/m |
| industr., construct. | textile machine operator m/f-printing | operador de máquinas textiles de estampado h/m |
| industr., construct. | textile machine operator m/f-spinning | operador de máquinas de hilatura h/m |
| textile | textile machine operator m/f-tufting and coating | operador de máquinas "tuft" y/o látex h/m |
| industr., construct. | textile machine operator m/f-weaving weaver | operador de telares tejedorh/m |
| industr., construct. | textile machine operator -non-wovens | operador de máquinas textiles de no tejidos h/m |
| industr., construct. | textile machine operator -pre-weaving | operador de máquinas textiles de preparación del tisaje h/m |
| industr., construct. | textile machine operator -printing | operador de máquinas textiles de estampado h/m |
| industr., construct. | textile machine operator -spinning | operador de máquinas de hilatura h/m |
| textile | textile machine operator -tufting and coating | operador de máquinas "tuft" y/o látex h/m |
| industr., construct. | textile machine operator -weaving weaver | operador de telares tejedorh/m |