Conversance with mechanism drawing and designing tool and fixture, to be familiar with manufacture process, good communication skill, fluent English with writing and reading.
My parents are actually, they grew up speaking the Navajo language; they're fluent speakers. They're like a dictionary. If I ask them, “How do you say this? ” they translate.
It takes about two years of training for already fluent bilingual professionals to expand their vocabulary and master the skills necessary to become a conference interpreter.
Recent studies have found that bilingual children, those that speak two languages fluently, are more adept at switching back and forth between such images than monolingual children.
If you've never heard of this reduction thing before, you want improve your fluency, you want to speak more naturally, this is where it's at, ladies and gentlemen.