What does the author mean?
The pre-treatment unit is designed for pre-treatment and separation of large fractions from a common pile of grain, legumes, vegetables and melons, as well as all kinds of loose mixtures.

I can't understand what it is designed form. I guess that it is written with mistakes... How do you think? What are your ideas about correction of this description?

Question

What does the author mean?
The pre-treatment unit is designed for pre-treatment and separation of large fractions from a common pile of grain, legumes, vegetables and melons, as well as all kinds of loose mixtures.

I can't understand what it is designed form. I guess that it is written with mistakes... How do you think? What are your ideas about correction of this description?

Answer

I don't see any issues with how this is written.  The pre-treatment unit does two things: 
(1) pre-treatment (maybe addition of a chemical, water, heating, etc)
(2) separation

There is a common pile consisting of grain, legumes, vegetables, melons, and loose mixtures.  This pile is separated into large fractions.

Answer

I am not really sure. What is the intention from the author. So maybe we need to understand where the text came from. You can give us more clues.

Answer

Hi, as a native english speaker, I cant work out what is being said so perhaps the author has made some mistakes. Can you give any more context? where is this text from?

Answers · 3

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