| Subject | English | Portuguese |
| gen. | control cables for machines, engines or motors | cabos de comando de máquinas ou de motores |
| IT | control inference engine | controlo de motor de inferência |
| gen. | control mechanisms for machines, engines or motors | dispositivos de comando de máquinas ou de motores |
| mech.eng. | engine control | comandos do motor |
| transp., mech.eng. | engine control | comando do motor |
| transp., nautic., mech.eng. | engine control centre | posto de controlo da casa da máquina |
| transp. | engine control using thyristors | comando dos motores por tiristor |
| mech.eng. | engine controls and instruments | comandos do motor e instrumentos |
| mech.eng. | engine driver's compressed air-brake control valve | torneira do maquinista destinada a comandar os travões de ar comprimido |
| mech.eng. | engine starting control box | caixa de comando do arrancador do motor |
| transp., avia., mech.eng. | full authority digital electronic engine control | controlo eletrónico digital de autoridade completa |
| transp., industr. | full authority digital engine control | controlo digital "full authority" de motores |
| transp., industr. | full authority digital engine control | controlo eletrónico digital "full authority" |
| transp., industr. | full authority digital engine control | comando digital de motor com controlo total |
| transp., industr. | fully automated digital engine control | controlo digital "full authority" de motores |
| transp., industr. | fully automated digital engine control | controlo eletrónico digital "full authority" |
| transp., industr. | fully automated digital engine control | comando digital de motor com controlo total |
| gen. | hydraulic controls for machines, motors and engines | comandos hidráulicos para máquinas e motores |
| mech.eng. | main engine control | comando do motor principal |
| gen. | pneumatic controls for machines, motors and engines | comandos pneumáticos para máquinas e motores |
| environ., min.prod. | Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines | Código Técnico para o Controlo das Emissões de Óxidos de Azoto provenientes de Motores Marítimos a Gasóleo |
| environ., min.prod. | Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines | Código Técnico NOx |