The graph below shows the average monthly change in the prices of three metals during 2014.

The line graph displays how

prices

Correct article usage

the prices

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of three metals changed

throughout

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from

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January to December

in

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apply

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2014. It seems that the

overall

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flow of price changes between Copper,

Nickel

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and

ZInc

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Zinc

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are comparable. At

first,

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Nickel

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started

a

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at a

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peak of 6% compared with prior to January;

However

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, since

then

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, it decreased substantially and constantly until June. After all, the price of

Nickel

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hit a low of 1%.

In contrast

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, Zinc was the cheapest metal at the beginning,

while

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the line

goes

Wrong verb form

went

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up significantly at the

last

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. Copper illustrated stable changes relatively exclusive

June

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in June

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. In June, the metals prices

were

Unnecessary verb

apply

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dropped dramatically except copper;

whereas

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all of

percentages

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the percentages

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were rise

Wrong verb form

rose

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rapidly again in July. They showed steady prices

during

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from

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July to September.

However

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October to December, the lines

were change

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were changed

were changing

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variably again.

Nickel

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and Zinc shoot up with -2% to 1%, -1 and 1.5% respectively. The metal which is the most changed largely was

Nickel

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.