Don injunan alluran gas na carburetor ko ma'aunin mai, nau'in abin sha yana nufin layin ci daga bayan carburetor ko jikin magudanar kafin shan kan Silinda. Ayyukansa shine rarraba iska da cakuda mai zuwa kowane tashar shan silinda ta hanyar carburetor ko jikin magudanar ruwa.
Don injunan allurar mai ta iska ko injunan dizal, nau'in abin sha yana rarraba iska mai tsafta ga kowane silinda. Rukunin abin sha dole ne ya rarraba iska, cakuda mai ko iska mai tsafta daidai gwargwado ga kowane Silinda. Don wannan dalili, tsawon lokacin iskar gas a cikin nau'in cin abinci ya kamata ya zama daidai kamar yadda zai yiwu. Don rage juriya na kwararar iskar gas da kuma inganta ƙarfin ci, bangon ciki na ma'auni ya kamata ya zama santsi.
Kafin mu yi magana game da nau'in abin sha, bari mu yi tunanin yadda iska ke shiga cikin injin. A cikin gabatarwar injin, mun ambaci aikin fistan a cikin silinda. Lokacin da injin ya kasance a cikin bugun jini, piston yana motsawa ƙasa don samar da sarari a cikin silinda (wato, matsa lamba ya zama ƙarami), ta yadda za a iya haifar da bambancin matsa lamba tsakanin piston da iska ta waje, ta yadda iskar ta kasance. iya shiga cikin silinda. Misali, an yi muku allura, kuma kun ga yadda ma’aikaciyar jinya ta tsotse maganin a cikin sirinji. Idan ganga allura injin ne, to idan aka zaro fistan da ke cikin ganga allura, za a tsotse ruwan a cikin ganga na allura, kuma injin zai zana iska a cikin silinda.
Saboda ƙananan zafin jiki na ƙarshen ci, kayan haɗin gwiwar sun zama sanannen kayan abinci da yawa. Nauyinsa mai sauƙi yana da santsi a ciki, wanda zai iya rage juriya yadda ya kamata kuma ya kara yawan yadda ake amfani da shi.
