1. Ntchito ziwiri: ntchito ya bartack, ndi ntchito yosokera yokonzedwa yokhala ndi malo okwana 5cm*4cm, ndipo imapangitsa makina kusoka mitundu yambiri ya mapatani ovuta. Onjezani mitundu yonse 1000 ya mapatani a bartacking: kuyika mipiringidzo ya half-moon, kuyika mipiringidzo yozungulira ndi kuyika mipiringidzo ya chrysanthemum-shape-bowo, tepi yolimba yomwe ili pafupi popanda kuyika mipiringidzo yofanana, kuyika mipiringidzo ya label, kuyika mipiringidzo ya sock brand card etc mu mapatani akale a bartacking.
2. TheMakina Opanga Mapatani Ang'onoang'ono Okonzedwa mu 1954Ili ndi ntchito yokonza mapulogalamu opangidwa ndi auto pattern yokhala ndi presser foot.
3. Kugwiritsa ntchito servomotor yamagetsi kuti muchepetse phokoso ndi kugwiritsa ntchito magetsi. Chiwonetsero cha digito chowala kwambiri chimatsimikizira tsiku lomveka bwino.
4. Kupsinjika kwa ulusi womasuka kumatha kusinthidwa mkati mwa pulogalamu ya pakompyuta. Ndikosavuta komanso kolondola kusintha kupsinjika.
5. Yoyendetsedwa ndi injini ya pulse, kutalika kwa mapazi okweza-kukanikiza kumayikidwa ngati magawo awiri, Kuyika mosavuta zinthu zosokera kumachepetsa kwambiri nthawi yokhazikika.
6. Ndi yoyenera kuponda bwino kwa phazi ndipo pali magwiridwe antchito abwino kwambiri a phazi la phazi la ponda lotsatira. Phokoso la phazi lopondereza limachepetsedwa kwambiri kuti ntchito ikhale yomasuka.
7. TheMakina a Bartack Opangidwa ndi Makompyuta a 1954imagwiritsa ntchito njira yopanda mafuta yopangira singano, mwachitsanzo, kudyetsa shuttle yozungulira ndi mafuta oyera a injini.
8. Kugwiritsa ntchito njira yoyendetsera mwachindunji kumatsimikizira kuti lambayo silidzakhala ndi nyenyeswa ndipo motero silidzayambitsa kuipitsidwa kwa zinthu.

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