An ayyana hawan jini a matsayin saurin matsa lamba na ɗan gajeren lokaci wanda ya haifar da haɗari, al'amarin da ba a shirya shi ba kamar rufewar gaggawa sakamakon gazawar wutar lantarki. Abubuwan da ke faruwa na karuwa suna da alaƙa da matsanancin matsin lamba ba tare da lokacin da aka kashe a matsa lamba ba.
Gajiya
Sabanin haka, gajiya yana hade da yawan adadin maimaita abubuwan da suka faru. Yawancin kayan za su yi kasa a cikin ƙananan damuwa lokacin da aka yi musu hawan keke na maimaita lodi fiye da lokacin da suke ƙarƙashin kaya masu tsayi. Irin wannan gazawar ana kiranta da (cyclic) gajiya. Don kayan bututu na thermoplastic, gajiya yana dacewa ne kawai inda ake tsammanin yawan adadin hawan keke. Muhimman abubuwan da za a yi la'akari da su su ne girman jujjuyawar danniya, yawan lodawa da rayuwar sabis da aka nufa. Inda aka yi hasashen hauhawar matsa lamba, ƙila za a iya buƙatar ƙirar gajiya idan jimillar zagayowar tsawon rayuwar bututun ya wuce 25,000. Don ƙananan hawan hawan matsi, za a iya jurewa mafi girma yawan hawan keke.
Rage Matsi
An ayyana kewayon matsa lamba azaman matsakaicin matsa lamba rage mafi ƙarancin matsa lamba, gami da duk masu wucewa, waɗanda tsarin ya samu yayin ayyukan yau da kullun.
Canje-canjen matsin lamba na rana
Canje-canjen matsa lamba na yau da kullun canje-canje ne na matsa lamba a hankali waɗanda ke faruwa a yawancin bututun masu rarraba sakamakon buƙatar bambancin. An yarda da cewa canje-canjen matsa lamba na rana ba zai haifar da gajiya ba. Matsakaicin ƙira kawai da ake buƙata don irin wannan nau'in juzu'in matsa lamba shine cewa matsakaicin matsa lamba bai kamata ya wuce ƙimar ƙimar bututu ba.