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^11 Il 2 tr EJ4'3"l E^lala^l tG4 1. rtg4olC ... 164 2. EH ..... 166 a r):zzl .. 172 4. I!? .....LTT U. E E E. 3 tr -Et=A nB 1. El#gig B6J"' . t7B 2. +t * .. t.g 3."Jero} .. lgl 4.L14?t .. 183 5. eAzS .. 184 6. uE-LlArJ ....... 186 7 . a+Ez! .. .. . . 188 rll 4 tr +tr 2. HE +4. 4.tl+ +4 EI 10 A HltrEt=el 4rl ^11 1 tr +zlzl -L -Bt= 1ee 1. f,++ +4 . .. lee 2. *+4 z dJ# .... 2ot 3. aFr+: B# .... zos ^Jl 2 tr g+Elts(At)rl _r. -Bt= 2tt t. oJF"lts(Al) .......21r 3. Al-Curll EI= "" 218 5. Al-Mnzjl B* .... 225 7. AI-ZnAl EI*' ...... 228 190 194 196 2. Al-Sirjl 'J# .......213 4. Al-Mgzll *? .... 222 6. Al-FeAl -J+' ......227 Il 3 tr Elllll+el -:L -Bt= zzs 1. f,ft Mg ... 229 2. Mg-Alr{ -J;: .... Z3t 3. Mg-Si4l -JE .... 236 .Ms-ZnZl dJ* .... 237 5. Mg-MnzJl 6J* "" 240