a will.s bicycle

will.s bicycle a flat tyre.
he cannot ride it.
he has to repair apuncture.
he dose not need to pay the man at the bicycle shop to mend it.
he can repair it himself.
he has taken out the inner tube.
he has tested it and has found the buncture.
the test is easy.
you get a bucket of water.
you blow up the inner tube with a bicycle pump and put the tube into the water,bit by bit.
you move the tue round till you see a stream of air bubbles coming up through the water.
you mark the place where the air is coming out with a special pencil.
will has one of these pencils.
his father has given him a repair outfit.
the pencil is in the outfit.
he-has marked the place where the puncture is.
when the inner tube is dry he is going to stick a rubber patch on the puncture.
he is going to stick it on with rubber solution.
there are some patches and a tube of rubber solution in the repair outfit.
when will has repaired his bicycle he is going to ride it again.