| Subject | English | Spanish |
| patents. | all separate problems shall be dealt with in a single decision | todos los problemas particulares serán tratados en una decisión única |
| tech., industr., construct. | cross or parallel wound package with former on single flanged bobbins | bobinado cruzado o paralelo con recorrido longitudinal sobre carrete de una balona |
| transp. | diamond with single slip | travesía de unión sencilla con agujas exteriores |
| mech.eng. | direct-current bipolar stepping motor with a single rotor | motor paso a paso bipolar de corriente continua |
| agric. | double stalls with single-chain tying | establo canadiense de plaza doble |
| econ. | economic imperatives associated with the single market | desafios economicos del espacio unificado |
| fin. | to familiarise the general public with the single currency | familiarización del público con la moneda única |
| transp., tech., law | glass pane with a single curve | cristal de curvatura sencilla |
| agric. | half-turn reversible disc plough with single set of discs | arado de discos con cama reversible |
| fish.farm. | knotted netting with single yarn | red de nudos de un solo hilo |
| el. | line suspended by single catenary with 1 contact wire | línea con suspensión catenaria sencilla con un hilo de contacto |
| el. | line suspended by single catenary with 2 contact wires | línea con suspensión catenaria sencilla con dos hilos de contacto |
| el. | line suspended by single catenary with one contact wire | línea con suspensión catenaria sencilla con un hilo de contacto |
| el. | line suspended by single catenary with two contact wires | línea con suspensión catenaria sencilla con dos hilos de contacto |
| transp. | locomotive with a single underframe | locomotora de bastidor único |
| transp. | locomotive with single-phase commutator motors | locomotora con motores monofásicos de colector |
| transp. | locomotive with single-phase/three-phase converter set | locomotora con grupo monotrifásico |
| gen. | long firearm with single-short mechanism | arma de fuego larga de un solo tiro |
| tech. | long firearm with single-shot rifled barrel or barrels | arma de fuego larga de un impacto con uno o varios cañones estriados |
| tech., industr., construct. | loom with single rigid rapier | telar de lanza rígida unilateral |
| agric. | motor hoe with single carrying wheel | motoazada con rueda de guía |
| earth.sc. | optical polymer with a single index of refraction | polímero óptico con un índice de refracción único |
| mech.eng. | platform truck with single upright end | carretilla a mano con 1 respaldo |
| coal. | to reach all the bands of coal with a single infusion hole | Alcanzar todos los surcos con una misma sonda. |
| load.equip. | rider pallet truck with single pallet fork | transpaleta con puesto para el conductor con horquilla para paletas (n.f.) |
| load.equip., mexic. | rider pallet truck with single pallet fork | patín de conductor con horquilla de carga simple |
| mexic. | rider pallet truck with single pallet fork | transpaleta de conductor con horquilla de carga simple (n.f.) |
| mexic. | rider pallet truck with single pallet fork | patín de conductor con horquilla de carga simple (n.m.) |
| el.tract. | simple catenary equipment with single contact wire | catenaria con un hilo de contacto |
| met. | single cantilever cutting machine with extended beam for two working areas | máquina de oxicorte con brazo soporte largo para dos zonas de corte |
| tech., industr., construct. | single cylinder hosiery machine with small diameter | telar para artículos de calcetería de pequeño diámetro de cilindro simple |
| mater.sc., construct. | single lock with safety gates | esclusa de cuenco y de guarda |
| tech., industr., construct. | single needle bed circular machine with large diameter | máquina circular de gran diámetro de fontura simple |
| tech., industr., construct. | single needle bed cotton patent type machine with intarsia patterning | máquina cotton de fontura simple con dibujo |
| agric. | single premium with differential rates | prima única diferenciada |
| stat. | single random sampling with replacement | muestreo aleatorio simple con reemplazamiento |
| UN, polit. | single sovereignty and international personality and a single citizenship, with a | soberanía única, personalidad internacional única y ciudadanía única, con |
| construct. | single surface dressing with double chipping | simple tratamiento superficial con doble engravillado |
| transp. | single track with restricted traffic | vía única con tráfico restringido |
| met. | single U groove with vertical sides | chaflán en U |
| met. | single Vee groove with broad root face | chaflán en Y |
| met. | single Vee groove with root face | chaflán en V con talón |
| mech.eng., el. | single-blade propeller with counterweight | rotor monopala con contrapeso |
| mech.eng., el. | single-blade propeller with counterweight | hélice monopala con contrapeso |
| transp. | single-line block system with directional control | bloqueo con obtención de vía |
| gen. | single-shot short firearm with centrefire percussion | arma de fuego corta de un solo disparo con percusión central |
| immigr., tech. | single-shot short firearm with rimfire percussion | arma de fuego corta de un solo disparo con percusión anular |
| environ. | single-use cameras with batteries | Cámaras de un solo uso con pilas o acumuladores |
| tech. | tip with a single atom | punta con un único átomo |
| load.equip. | walkie pallet truck with single pallet fork | transpaleta con conductor de pie para carga simple (n.f.) |
| load.equip., mexic. | walkie pallet truck with single pallet fork | patín de carga simple con conductor acompañante |
| mexic. | walkie pallet truck with single pallet fork | patín de carga simple con conductor acompañante (n.m.) |
| met., el. | welding transformer with three phase input and single phase double frequency output | transformador trimonofásico doblador de frecuencia para soldeo |