| Subject | English | Spanish |
| transp., avia. | aeroplane powered by reciprocating engines | aviones con motores alternativos |
| mech.eng. | direct-acting reciprocating pump | bomba de vapor de acción directa |
| chem., el. | double-acting reciprocating compressor | compresor alternativo de pistón de doble efecto |
| met. | flash welding with reciprocating preheating | soldeo a tope por aproximaciones sucesivas |
| agric. | harrow with reciprocating bars | grada de movimiento alternativo |
| agric. | harrow with reciprocating bars | grada vibrante |
| agric. | harrow with reciprocating bars | grada de dientes vibratorios |
| chem. | horizontal wire reciprocating | soldadura con hilo incandescente para cantos de bolsas |
| mech.eng. | linear reciprocating cutter blade | cuchillas de dientes de movimiento alternativo |
| chem., el. | meter with reciprocating bells | contador de campanas |
| agric. | pick-up baler with in-line reciprocating ram | recogedora-empacadora con pistón de movimiento rectilíneo |
| gen. | pick-up baler with transverse reciprocating ram | recogedora-prensa de descarga lateral |
| gen. | pick-up baler with transverse reciprocating ram | empacadora de avance transversal |
| dril. | reciprocate the drill pipe | alternar la tubería de perforación |
| dril. | reciprocate the drill pipe | reciprocar la tubería de perforación |
| health. | reciprocating Bucky frame | diafragma de Bucky |
| agric. | reciprocating chain seeder | sembradora de cadena con movimiento alternativo |
| industr., construct., chem. | reciprocating charger | cargadora de vaivén |
| el. | reciprocating compressor | compresor de pistón |
| earth.sc., mech.eng. | reciprocating compressor | compresor alternativo |
| transp., mech.eng. | reciprocating engine | motor de émbolo alternativo |
| transp., mech.eng. | reciprocating engine | motor alternativo |
| agric. | reciprocating feed motion | movimiento alternativo de traslación |
| health. | reciprocating grid | rejilla móvil |
| agric. | reciprocating harrow | grada oscilante |
| agric. | reciprocating hedge cutter | recortadora de barra de corte |
| chem. | reciprocating hot wire sealing | soldadura con hilo incandescente para cantos de bolsas |
| agric. | reciprocating knife mower | segadora de vaivén |
| agric. | reciprocating knife mower | segadora de movimiento alternativo |
| mech.eng. | reciprocating main motion | movimiento principal rectilíneo |
| mech.eng. | reciprocating main movement | movimiento principal rectilíneo |
| earth.sc., mech.eng. | reciprocating mass | masa en movimiento alternativo |
| chem. | reciprocating mixing head | cabeza de mezcla con movimiento de vaivén |
| earth.sc. | reciprocating motion | movimiento alternativo |
| mech.eng. | reciprocating motor | motor alternativo |
| earth.sc. | reciprocating movement | movimiento alternativo |
| earth.sc., mech.eng. | reciprocating movement | movimiento oscilante |
| agric. | reciprocating mower | segadora de vaivén |
| transp., mech.eng. | reciprocating piston engine | motor de émbolo alternativo |
| tech. | reciprocating piston meter | contador de émbolo alternativo |
| mech.eng. | reciprocating pump | bomba alternativa |
| coal. | reciprocating pump | bomba de pistón |
| agric., mech.eng. | reciprocating pump | bomba de movimiento rectilíneo de vaivén |
| mech.eng. | reciprocating pump | bomba de émbolo |
| agric. | reciprocating pump | bomba de movimiento rectilíneo alternativo |
| met. | reciprocating saw | sierra con movimiento alternativo |
| industr. | reciprocating saw-bench | mesa-caballete de movimiento alternativo |
| mech.eng. | reciprocating sawing machine | sierra oscilante |
| chem. | reciprocating screw | husillo con movimiento de vaivén |
| mech.eng. | reciprocating screw accumulator | acumulador de husillo con émbolo |
| agric. | reciprocating shaker with counteracting weights | sacudidor de contrapesos con movimiento alternativo |
| agric. | reciprocating sorter | clasificadora oscilante |
| mech.eng. | reciprocating speed | frecuencia de bombeo |
| agric. | reciprocating spout fertilizer broadcaster | distribuidor de abono con trompa |
| agric. | rocker arm reciprocating lever | palanca oscilante |
| chem., el. | single-acting reciprocating compressor | compresor alternativo de pistón de simple efecto |
| transp., industr. | spark-ignition reciprocating internal combustion piston engine | motor de émbolo alternativo de encendido por chispa |
| transp., industr. | spark-ignition reciprocating piston engine | motor de émbolo alternativo de encendido por chispa |
| earth.sc., mech.eng. | swash plate operated reciprocating pump | bomba de pistones axiales con plato de mando oblicuo |
| earth.sc., mech.eng. | variable stroke reciprocating pump | bomba de pistón con recorrido regulable por balancín |