8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 1/6

8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 2/6

8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 3/6

8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 4/6

8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 5/6

8/8/2019 sahry

http://slidepdf.com/reader/full/sahry 6/6