| Subject | English | Spanish |
| tech. | maximum effective gun range | alcance eficaz máximo del arma |
| life.sc. | maximum effective precipitation | lluvia efectiva máxima |
| life.sc. | maximum effective rainfall | lluvia efectiva máxima |
| gen. | maximum effective range | portata eficaz máxima |
| tech. | maximum effective range | alcance eficaz máximo |
| weld. | maximum effective supply current for industrial and professional power sources | corriente de alimentación eficaz máxima para las fuentes de corriente de uso industrial y profesional |