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eD ql q E 7l= u]| zl 9 = +zl zl *z) "J? *zl tlzl ql ql6}q A +61 Bg e Eel ,qlzl-e €e +q. (+) +zl "JBBzl +^l= e4l+ +ol el €+ql gc 6l= ++q zlE €tlg ulzlalzJ +l + 4 ol = _e g.q6J !i+E ,r-il zlE € A +q. (,1) "l 4 9l ql ulzl r.ll Eol il= +E]lql^-l 4 4 617l I6Iq oJsE- 5q a ql= "l 4 zI +H 6l;<l 9+E+ +el +trI. 7. =ol Eal Elol"J= =tr:dtrl. @) uI zl+ r4 q ql^l *")zl E4 q = I il = =4.Jr}. (:zB 8 +a) pr) rC +^ls 6J=g a4 ++. ('l) ^l al*6}_o E E4 H r-lol B ol ,$4zl I Hlrll}l}6}0l E elol,J ol =tr}. 8. IlEHFlel +E= =d-Ll-tr|. (r=J e EE) eD rl*H}a-a +olql rtl+ ++Elg =e++. ql I aA g B 6J 6I^] ++s+= =q14. (+) ^l alHlE}]uJ-ajeE E:4E rl*u}+lg +szl LA ^-l 6o141 4 + ,J+g ,Ja}ZI +4 ^l Al EJ-6J s -s E4 tr ,J4ol +6141 €trI. e. I!=HIflel Eg+= =tr-Lrtrl. ?r) =A +^I= ^l alEJo-J o E E4 E 5t ol 4l Ell+ ++g ?t6lA) +tr}. ^l 4lHlEllulaJ:e-E 54 E +E1] 1]trI. (,1) *g +ol E A+= g + 9l= + +"Jq g +614l 6.JtrI. 0.04 [mm]ola]9 *e +ol = 0E +4.I ^l uI zl t4. e) d*EI+l zlil= 9}e +ol+4 +4+ t ol*gE HIE + 9l+. =Ag Tl*HLile+ E-4a ?zl"I 9l= F=+Bg ^l+6}q _ s.= 6"lE Edql, 9+g +ol el A+= 1 Hd"I *++. (:zB 10, 11 *z> 10.5eltrEErtrl. i-t :aJ 7 E^l"J="J^lAt^l ral 8 =01 Eal Elol"J =tr r= 10 gJe E^l =g + =tr reJ 11 F74E E^l Eg+ =tr ral e cBHl+l +E =tr ^ul LJ +B ^qq+B -18-