Mafi yawan al'amuran da ake amfani a cikin koguna load switches na gida suna cikin uku abubuwa masu muhimmanci: tattalin mekaniki, kyakkyawan kyanwa, inshishi, da kuma maimaitar tsakiyar karamin kyanwa. Waɗannan al'amuran zai iya kasancewa haka da suka shafi hotuna da takarda, tushen ingantaccen, ko kuma amfani da wani ƙarin.
1. Al'amuran Mekaniki Wani babban al'amuran shine amfani mai ba daidai a lokacin ɗauki da kasa. Wannan ya ƙunshi ƙananan fuskantar ƙwarewa, jamiyar ƙwarewa, ko kuma ra'ayi ƙwarewa a lokacin amfani da ƙwarewar mutum. Don ƙwarewar yanayin, al'amuran masu ƙarin shine bacewa bayan samun amfani ko ɗaukukan ma'ana mai ba daidai ba (misali, "mai ɗauki" ko "mai kasa" mai ba daidai). Waɗannan al'amuran suna da sabbin da suka shafi kisan lafiya ko ƙwaryar daɗi (lalacewa ko kusa), tsirrai a cikin ƙwarewar lafiya (ƙara lalacewa ko kusa), ƙarfin sauyi, ko kuma kisan lafiya ta ƙwarewa. Wani al'amuran shine ƙananan haɗin kiyaye, ya ƙunshi kisan kira mai ba daidai a lokacin ɗauki, sanya mai ƙananan kiyaye, ko kuma kisan kira mai ƙananan kiyaye. Wannan ana da sabbin da suka shafi kisan lafiya mai tsirrai, ƙwaryar daɗi, ko kuma amfani mai ƙarin da wannan ƙwarewar lafiya.
2. Al'amuran Kyakkyawan Kyanwa da Masu Tsaro Kafin, inshishin mai ba daidai ko kusan lafiya zai faru, wanda zai ƙunshi ƙananan ɗauki waɗannan abubuwa masu tsaro, ƙara ƙananan inshishi, ko kuma, a wasu lokutan, ƙarfin da kuma kisan inshishi (misali, abubuwa na epoxy resin, ƙwarewar inshishi). Waɗannan al'amuran suna da sabbin da suka shafi tashin ƙare, tsirrai a kan abubuwa masu inshishi, ko kuma ƙananan abubuwa masu tsaro a kan ƙwarewar kyanwa, wanda ke nuna ƙwarewar ƙananan kiyaye. Duka, ƙananan ƙara ƙananan tsakiyar karamin kyanwa zai faru, wanda zai ƙunshi ƙananan ƙara ƙananan kiyaye, sanya mai ƙananan kiyaye a lokacin ɗauki, ko kuma, a wasu lokutan, ƙananan kiyaye ko kuma ƙwarewar kyanwa. Abubuwan da suka shafi waɗannan al'amuran shine tsirrai a kan ƙwarewar ƙara ƙananan kiyaye (misali, ƙwarewar ƙara ƙananan kiyaye na ruwa ko vacuum), ƙara ƙananan vacuum, ko kuma ƙananan kiyaye mai ƙarin da ƙwarewar kyanwa.
3. Al'amuran Indirektu Da Sabbin Tashin Ingantaccen Ko Amfani Mai Ba Daidai Duk da haka, al'amuran zai iya faru ne daga tashin ingantaccen ko amfani mai ba daidai. Misali, tashin kwayoyi zai taimaka wajen tsirrai kisan lafiya, inda tashin kadan zai iya ƙaranta ƙwarewar lafiya. Ƙananan ɗauki waɗannan ƙananan kiyaye ko kuma bacewa da amfani mai ba daidai zai taimaka wajen ƙaranta da kusa ƙwarewar lafiya da kyanwa.