| Subject | Spanish | English |
| environ. | aireador de aspas | paddle unit |
| industr., construct. | alimentador de aspas | feeding reel |
| industr., construct. | aspa contadora | warp reel |
| industr., construct. | aspa contadora | wrap reel |
| industr., construct. | aspa contadora | counting reel |
| agric. | aspa curvada | curved impeller blade |
| agric. | aspa curvada | curved blade |
| transp. | aspa giratoria | rotating blade |
| earth.sc. | aspa isotópica | radioisotope sail |
| agric. | molinete de aspas | paddle reel |
| agric. | molinete de aspas | bat reel |
| amer. | ¡que me aspen si...! | I'm darned if I... |
| agric., mech.eng. | ventilador de aspas convexas | backward-curve blade fan |
| agric., mech.eng. | ventilador de aspas convexas | backward curved blade fan |
| agric., mech.eng. | ventilador de aspas cóncavas | forward-curve fan |
| agric., mech.eng. | ventilador de aspas cóncavas | forward curved fan |
| agric., mech.eng. | ventilador de aspas radiales | straight-blade fan |
| agric., mech.eng. | ventilador de aspas radiales | straight bladed fan |
| agric., mech.eng. | ventilador de aspas radiales | radial-blade fan |
| agric. | ventilador de aspas troceadoras | chopper blower |