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There is a crack in the pipe. There is a leak in the roof/wall. Is this 'in' correctly used? Should it be on.

And "There is a leakage in the pipe." what is the difference between leak and leakage.

Thanks
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HaohaoxuexiThere is a crack in the pipe. There is a leak in the roof/wall. Is this 'in' correctly used? Should it be on.

And "There is a leakage in the pipe." what is the difference between leak and leakage.

Thanks

"In" works better. leak: the actual crack or hole. leakage: the act of leaking.

[The storm caused a leak in the roof; the leakage caused a great deal of damage]
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"remove the leakage": stop the leakage
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Comments  
leakage means leaking? There is a leakage in the pipe.=The pipe is leaking. ?

I saw "remove the leakage", There are different meanings, right?
 Marius Hancu's reply was promoted to an answer.
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