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печать" малоконтрастной" копии для изг. Видеомастера : this one's pretty obvious: low contrast film print for video mastering (don't worry too much if you don't understand - the people reading it...

As Wowik says, it's German, you can't use those terms in English.
You can say "light truck" and "sound truck". Although usually sound equipment isn't so bulky as to use a whole truck.... so it would...