139page

^1|1tr =+9 EJ€ "! ^dEE 127 "Jq+. oJ'Jg %Iar}"J(twining direction)ol+r 6J+. trH T-rz)= =BH€+ I eH€E ilol= s.rlt 4o14. trB t-tzlq (b)cl^-l El+s= + Eol %IeEoll, olag zlEoil EI6lq fzloll flzlE sl€s. rJ.JE r^JeEql 46Iq uJala|flJ olF 6Iq aag BcdI=Eil a olFzl4E %ICBql^lel 7l4ql HlBl6Iq ?zlt4. ol4 ol dt4 "J olEel 5a ol4. trfl t-ts|. +FE 1leg +Eld ezl oltrI. <-- eJrrl = ,Hr: <- *cd (b) :aJ 7-12 ==JEEal BEEEeI HIE :.aJ 7-13 7:3EJEol =aJ8864 eBql^.]= =B+ +84 =B614 gg +EE aalE t+ql^.] 44E *9. H 6}z1 9*zlt, %LAg SeEq "J+ql^] 44E BgzI Hsl6I7 9l= ds. ;<lolT} 9l tr}. %LeBCE e+ql= eBrlg .Jaldt*qql 6tl'&6I= dtqel 'Jalil= BE6I xl e*+. %rCol ECe 4q= +qHBCtql^l +qE 'ZJ4= B + 9l+. olag trB 7-14lol E^lqq 9lq. ole+ rJol te€cg "J+E +q++€^J'JErl ole+ t