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158 ^1129 Z+"JHJ r Tlvl 7l=ol q= +Eg Ezl eqd €e 4+ +vJdg ^lt H7] *e lr-E _ o zrf og 6Iq +y3dg *+q -E _ ^ .14+El zlAlE *oI +aq. E+t e. --'r =' ql fi,<l(taper)zl 91. 4g + +A)71 = +ol 91=- z1z1 +=4. @ qiilE E^]4 ii}+ *z) : Hnl9 -s^lq= aJ"l*4rJg+g ,^l^-l ol?-ll .+l Azl Baol ETlAl €=tr}. :1el+ +a4 0-tr-= 41 7*atld *4zI glee tr ^tlsHrla=g ^l9l =r4s.E zN-$otrNl HrJ6It u€ a=, ed E= ts"J$ zlE€Eql e 4, F 4 ?zlr'l Eq _ H-rJ+Q. @ +n +el : 9*H4 +EEE d+e =* , 44 Fg =ts +l^lql ulol lC .x)z)a, rl;i-s=4s= +E6l itl+.1 .-+=4. l|.Ese E[= _ ?,\lal tr; f,^f+ gl7l ral 2-50 Er = ,\ lzI -- o _ | =1. 7lH =X rl . -rT I J- (1) ,l]qq O q, zl+, Elq Fq +zl 6I+r+ *4, zltl EE +EJ 6I+9 B= +e qnl= 'l]qqol4 +4. @ Hrt B+=el ?Jz rJ'JE ,]]qq ?ol= a- =E E}q H4 r(m)u} 0.15(m) oltol I "l of +u}. @'ll qqgtr Eel €e +Ee-l Elq ts49 ao(m')='Jzl 9*E+ 6J4. @ .ll qqel F4l= 15(cm) oltol A+, qe-l +,q+ zld z] aolel L/so ol^Jo-E +tr}. (2) ++q ++qel ,Jol= + +olel t/3 AE-tr 6Il, ++qg qlas-tr. "J=4. (3) ZI"-|olH .Iqq o-E 6IE qel +4171 z)zlt €tr E'Jg Hag ql EE6IEE, 100(mm) g+ o -E "JE= 4 ol +tr}.