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The first hint to crack the puzzle "Study of friction, wear between surfaces" is:

It is a word which contains 9 letters

         

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The second hint to crack the puzzle "Study of friction, wear between surfaces" is:

It starts with letter t

t         

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The third hint to crack the puzzle "Study of friction, wear between surfaces" is:

It ends with letter y

t         y

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Looking for extra hints for the puzzle "Study of friction, wear between surfaces"
t         y
Click on any empty tile to reveal a letter

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The answer for the puzzle "Study of friction, wear between surfaces" is:
t r i b o l o g y

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