Spanish translation: 2 de cada, 1 de cada / 2 unidades, 1 unidad
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English to Spanish translations [PRO] Tech/Engineering - Mechanics / Mech Engineering / Elevador de cangilones - Manual de instalación
English term or phrase:2 off, 1 off
"Position each platform stay bracket assembly against the leg trough cover. Position a clamp bar (2 off) on the inside face of the leg trough. Secure together using the threaded bar and nuts supplied.
Once the horizontal stay brackets assemblies (2 off) have been clamped to the elevator legs, they must be fully secured by bolts through the leg flanges.
Using the two inner holes in each horizontal stay bracket as a guide, drill through the leg flange to accommodate a M12 bolt.
Secure each bracket to leg using 2 off, M12 x 30 hex head bolt, M12 plain washer and M12 Nyloc nut."
Más tarde, como texto en una imagen incrustada que no puedo trasladar aquí, leemos:
Lo que me pregunto es si este "2 off" se refiere a que, junto con el material que se suministra para montar el elevador de cangilones, suministran 2 piezas de sobra o si es que 2 piezas deben sobresalir del conjunto, o ¿qué?
Estoy de acuerdo con Carlos Urrutia en las dos posibilidades de traducción que aporta. No son aplicables al contexto propuesto pero deben incluirse en el banco terminológico de PROZ. ¡Gracias, Carlos!
Is your source text British English? British English will sometimes use "1 off" in the same sense that US English says "1 each" - an indication of how many of the particular part is included in the assembly.
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Answers
34 mins confidence:
2 de cada, 1 de cada
Explanation: following the discussion , I think this translations would be better
Meritxell Asensio Local time: 07:46 Specializes in field Native speaker of: Catalan, Spanish PRO pts in category: 4
The translation workplace 
