Answer
Zobba masu riƙe da karkace na musamman ne saboda ana iya shigar da su ta hanyar 'juya' su cikin tsagi. Ba kamar zoben da aka hatimi ba waɗanda ke buƙatar filayen dawafi da faɗaɗa/kwagila sosai, ana iya fara zoben karkace da hannu. Ana sanya ƙarshen zobe ɗaya a cikin tsagi, sauran kuma an raunata ta ta danna shi axially. Don manyan zobba ko samar da girma mai girma, ya kamata a yi amfani da madaidaicin maɗaukaki (don zoben waje) ko hannun riga (don zoben ciki). Taper yana ba da damar zobe don faɗaɗa / kwangila a hankali yayin da ake tura shi zuwa matsayi ta hanyar plunger. Wannan hanya ta fi kyau saboda tana tabbatar da cewa zoben ba a taɓa samun damuwa fiye da yadda ake samun amfanin sa ba, wanda shine haɗari na gama gari yayin amfani da filaye akan zoben karye na gargajiya.
