Kamar yadda sunan ya nuna, koda kuwa ya kasance sako-sako, ba zai fadi ba. Loosesing sukurori, wanda kuma aka sani da rashin sassan dunƙule ko anti loosening sukurori. Kogin kwance da aka yi watsi da su ko kumbura a kan farantin mai hawa, da kuma matsayin tsakanin farantin yana ɗaure shi. Babban fasalin samfurin shine cewa sura ba za ta fito ba koda kuwa ba za a tsawaita su ba.
Kotse kwance skurs ya dace da:
1. Bakin karfe farantin karfe, karfe mai ƙarfe, galvanized karfe farantin, shigar injin injiniya.
2. bangon labule, bangon karfe, bangare na karfe, da sauran indowor da waje shigarwa
3. Gabaɗaya, kusurwa ƙarfe, tashar baƙin ƙarfe, an shigar da farantin ƙarfe a haɗe tare da sauran kayan ƙarfe.
4. Gudanar da Majalisar ayyukan kwantena na motoci, kwantena na jigilar kaya, masana'antar jigilar kaya, kayan aikin firiji, da sauransu.
Hanyar shigarwa na nau'ikan nau'ikan giciye masu kama da kawuna wanda ba za'a iya kwance shi ba. Hanyar shigarwa na sukurori tare da sako-sako da ba za a iya kwance shi bisa ga yanayin aikace-aikacen su ba, kamar haka:
1 An yi amfani da su a cikin masana'antar farantin karfe.
2. Fadakarwa (cranssion) nau'in dunƙulen dunƙulen da ba za a iya kwance su ba da izinin shigarwa kuma sun fi dacewa da shigarwa a cikin Zhejiang ko bakin ciki shigarwa.
3. Don ana buƙatar ƙarin radial wanda ke iyo yayin shigarwa na manyan abubuwa don rama babban haƙurin gaske.
4. Snauki cikin dunƙule ana shigar da hannu da hannu ba tare da buƙatar kayan aikin musamman ba.
