| Subject | English | Spanish |
| industr., construct. | automatic spool changer | cambiador automático de canilla |
| el. | cam-operated spool valve | válvula de carrete accionada por leva |
| textile | card punching machines, card reproducing machines, control machines, spool-winders | perforadoras y copiadoras de cartones, mecanismos de control y de hacer bodoques |
| mech.eng., el. | field spool insulation | aislamiento de soporte de bobina de campo |
| el.mot. | field spool insulation | aislamiento de armadura de bobina de campo |
| tech., industr., construct. | gripper-spool Axminster | alfombra Axminster de bobinas y pinzas |
| tech., industr., construct. | gripper-spool Axminster carpet | alfombra Axminster de bobinas y pinzas |
| mech.eng. | main spool valve | válvula principal de bobina |
| pack. | reel or spool of thread or of yarn | bobinado de hilo |
| pack. | reel or spool of thread or of yarn | bobinado de hebra |
| pack. | reel or spool of thread or of yarn | bobina de hilo |
| tech. | single spool axial flow compressor | compresor de flujo axial de rodete simple |
| mater.sc., industr., construct. | spool af thread | bobina de hilo |
| industr., construct. | spool bobbin | carrete de una sola pestaña |
| agric., mech.eng. | spool donkey | malacate de molinete |
| med. | spool for winding surgical catgut | bobina para enrollar el catgut quirúrgico |
| commun., IT | spool gauge | paso del carrete |
| tech., industr., construct. | spool-gripper Axminster | alfombra Axminster de bobinas y pinzas |
| weld. | spool-on torch | soplete con bobina incorporada |
| cultur. | spool rewinder | dispositivo de enrollamiento |
| mech.eng. | spool shut-off valve | válvula de cierre de carrete |
| mech.eng. | spool truck | carretilla a mano con púas |
| agric. | spool-type potato sorter | clasificadora de rodillos |
| earth.sc., mech.eng. | spool valve | válvula de carrete |
| agric., mech.eng. | spool valve control | palanquita de control hidráulico |
| industr., construct. | spool winder | bobinadora |
| earth.sc., transp. | take-up spool chamber | cámara de bobina receptora |
| mech.eng. | twin spool engine | doble bobinado |
| mech.eng. | twin spool pneumatic shaft of pressurized light water moderated and cooled reactor | grupo de turbina auxiliar |
| mech.eng. | twin spool pneumatic shaft PWR | grupo de turbina auxiliar |
| mech.eng. | twin-spool turbine | turborreactor de dos rotores |
| mech.eng. | twin-spool turbine | turborreactor de 2 rotores |
| mech.eng. | two-spool engine | motor bieje |