Za'a iya yin sliver na filastik mold gabaɗaya da karfe 45 #, wanda aka kashe kuma yana da zafi don ƙara juriya.Matsayin matsayi na jagorar da aka karkata zai iya kasancewa a gaba ko a baya, wanda za'a iya ƙayyade shi da sauƙi bisa ga girman ƙirar.Koyaya, kwana da tsayin ginshiƙin jagorar ya kamata a ƙayyade bisa ga nisan motsi na madauki;Gabaɗaya, kusurwar ginshiƙin jagorar ƙaƙƙarfan 20° ko 25°.Ƙayyadaddun ƙayyadaddun kusurwa na iya sauƙaƙe samar da ƙarfe na baƙin ƙarfe, don kauce wa buƙatar kowane lokaci.Don yin ƙahoni masu kusurwoyi daban-daban.Yi amfani da ka'idar cosine na ayyukan trigonometric don ƙididdige tsawon gidan jagorar.

Akwai nau'ikan jiyya da yawa, waɗanda na al'ada suna da santsi surface da farfajiya na pockmarked, waɗanda suke buƙatar haifar da zaɓin abokin ciniki.
Ana iya amfani da duk wani matakin gamawa a cikin masana'antar mu.

Matsakaicin tushe tushe yana nufin cewa ƙirar ƙirar an yi ta ne da kayan P20, kuma ƙirar an yi ta da fasahar firam ɗin madubi.Gabaɗaya ana amfani da su don fitar da ƙura.Amfanin wannan amfani shine idan akwai matsala tare da mold, ana iya gyara shi kawai ta hanyar maye gurbin sassan, wanda ya fi kyau.