Task 1: The diagram below shows how ethanol fuel is produced from corn.

The diagram illustrates the man-made method of manufacturing

ethanol

fuel from

corn

.

Overall

, there are nine stages in the process, begins with

corns

Fix the agreement mistake

corn

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are

Unnecessary verb

apply

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harvested in

the

Correct article usage

a

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huge field, and ends with

ethanol

fuel

is

Wrong verb form

being

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transported gas station. In the first step, farmers harvest

the

Change the article

a

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large amount of

corn

from the fields,

then

the purchased

corn

is stored in a storehouse for some time.

Subsequently

,

corn

is crushed by

milling

Correct article usage

a milling

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machine and it becomes a form

corn

Change preposition

of corn

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powder.

The

Change preposition

In the

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next

step,

this

powder has cooked

4

Change preposition

for 4

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hours;

in addition

, water must be added to ensure when

Add an article

the cook

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cook

Wrong verb form

cooking

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does not run out

water

Change preposition

of water

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.

Following

this

, the mixture must pass a process of long fermentation

around

Change preposition

of around

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48 hours; after fermenting, it should be separated

liquid

Change preposition

into liquid

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and solid

by- product

Correct your spelling

by-product

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. Now,

this

liquid is called

ethanol

and it is purified

5

Change preposition

for 5

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hours in the laboratory;

after

this

, it is stored in

the

Correct article usage

apply

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big containers in a safe location and

ethanol

fuel is transported gas station.