Kayan girki na tukunya mai zafi na lantarki suna wakiltar ingantaccen sigar kayan girki na tukunya mai zafi na gargajiya, wanda ke da tsarin ɗagawa ta atomatik da kuma grid ɗin rabawa a ciki. Da danna maɓalli a hankali, grid ɗin ciki mai cirewa yana tashi, yana raba sinadaran daga ruwan kuma yana kawar da wahalar kamun kifi don abinci. Bayan yin hidima ko barin abincin ya huce, kawai danna maɓallin don ci gaba da girki. Tsarin ɗagawa kuma yana hana miyar zafi ta fesa yayin ƙara sinadaran, yana rage haɗarin ƙonewa.

Tukunyar zafi ta lantarki yawanci tana ƙunshe da murfi na gilashi, kwandon girki, babban jikin tukunya, tushen lantarki, da maƙullan tukunya. A tsakiyar tukunyar ciki akwai haɗakar ɗagawa, wanda ya haɗa da maƙallin baturi, allon da'ira, injin, akwatin gearbox, sandar sukurori, da goro mai ɗagawa. Batirin, allon da'ira, da injin suna samar da da'irar lantarki, yayin da sandar sukurori ke haɗuwa da shaft ɗin fitarwa na motar ta hanyar akwatin gearbox. Allon da'ira yana karɓar sigina daga mai sarrafawa. Tukunyar ciki tana haɗe da tukunyar waje ta hanyar maɓallin ɗagawa, tare da maɓuɓɓugar ruwa da aka gina a ciki wanda ke haifar da ƙarfin roba don motsa motsi a tsaye na tukunyar ciki.

Yawancin tukwanen zafi na lantarki da ake sayarwa a kasuwa suna da ƙanana, sun dace da ƙananan taruwa na mutane 3-5 kawai, kuma ƙarfin juyi mai yawa yakan haifar da rashin kwanciyar hankali da matsalolin hayaniya. Sinbad Motor ya magance buƙatun masana'antun kayan girki ta hanyar haɗa tsarin akwatin gear a cikin tarin ɗagawa. Injin ƙaramin gear yana ba da damar juyawa gaba da baya, yana ba da damar kayan girki su tashi da faɗi cikin hikima idan aka danna maɓalli. Wannan ƙirar tana hana fesa ruwan miya yayin amfani, yana ƙara aminci da ƙwarewar mai amfani.