One day a young man
was working
on the
roof
of a new building.
![C:\Users\Osugi Toshiko\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\FO1R2VP5\MC900213115[1].wmf](slide0015_image172.gif)
![C:\Users\Osugi Toshiko\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BJQJJC8X\MC900418220[1].wmf](slide0015_image175.gif)
![C:\Users\Osugi Toshiko\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\BJQJJC8X\MC900418220[1].wmf](slide0015_image176.gif)
![C:\Users\Osugi Toshiko\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\331LOQRE\MC900187411[1].wmf](slide0015_image178.gif)