80page

+g slrll"J e. .E-E- tr4 +€ 4l +6171 +e^lzJ 4 E. E _ tr c €.J +€ zlgsg. =4olB rls.ES s-e,l a€Hqs 4+e- + rlq. O -$+6171 ol zl3 tal €g "l*a}€ +€g Rl= ? tlc}. TlAl "i =+ ^H -tr "J + 7) /\=L -LF lo gl- E "t ? ol Af -Br- +€ trxl aHI =€ +*+ ^ts9, g*l +l€ *a1] -q +E ++ +tr-^I +4 ^I AI ?A+ -= .E--l E 1U r.. dzlz.I OJ B} ti pI t!- e- jL4_ "J H} Al+ =q+ tckg 5t-)g *e '21 5Ocg 2W e g€9 e+Eol flzlzl glE+ .:strtlel 9s- e.ll= 4l 4;Iq +B6..] +zlg t=u}. (a +€el EL+Hql ?q= +€str. gzl^lzEI. La I =alol'J ^lEE flE aJ A I I (g-tr. ,4(drawback)g "J++ +€ ,ll zI) E-tr. E-g- +Bel 9PE"l El= ;1qel "J_5:sE (:-rJ z)el (a), (b)e] z3oi 9+ir9 rll-lljl +vd o E E _ tr u]+ Sol-d rl__,% f€s _ tr. +El g€ I tsolr| zll oli- ulg o1s1. -=-E Eg trl^l g9^l ql e+6}/l 5- ++ql= +t zI4= *l+lal Eil +l +q"t aJri. ol ,,JB €- +Eol ullzl 77 +d'-,"1 4941 2aoJtr}. (a) (1) -=-tr-ul i i +tq-Y-€- -T e) (b) -12- t t I I I t J r;
80page

9. 드로백 주형 제작하기