Colma My Email foamyanaldouche@yahoo.com Fig 1: ------------15--------------------15--17--15---------- --------19------15------------19--------------19------ ----16--------------16----16-------------------------- ------------------------------------------------------ ------------------------------------------------------ ------------------------------------------------------ Fig. 2: ------------------------------------------------------ ----------5------------------------------------------- -------7---------------------------------------------- ----5------------------------------------------------- ------------------------------------------------------ ------------------------------------------------------ Fig. 3: ------------15--------------------15--17-------------- --------19------15------------19---------------------- ----16--------------16----16-------------------------- ------------------------------------------------------ ------------------------------------------------------ ------------------------------------------------------ Fig. 4: ------------------------------------------------------ --------------17-------------------------------------- ----16---16--------16--------------------------------- ------------------------------------------------------ ------------------------------------------------------ ------------------------------------------------------