A bicycle get punctured when a thorn or nail runs into its tube . Puncture needs to be repaired . First of all the tube taken out of the tyre and inflated. It is then dipped a trough containing water in order to locate the puncture . Air escapes place of the puncture producing bubbles the water one can move only when the puncture repaired . Identify omission in each line

A bicycle can get punctured when a thorn or nail runs into its tube . The puncture needs to be repaired . First of all, the tube is taken out of the tyre and inflated. It is then dipped into a trough containing water in order to locate the puncture . Air escapes from the place of the puncture producing bubbles in the water. One can move only when the puncture is repaired.

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