Equipment, fruit juice, fruit.
Why is it fresh fruit and vegetables? Please give explanation in layman's terms.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.
Are you sure about that, freewill? Remember that nouns can be used as adjectives, and when they are, they go between the article and the noun. So a phrase like "an equipment specialist" does not violate any rules; "specialist" is countable, and "equipment" just modifies it. It does not make "equipment" countable.