A baya a ƙarshen 1800s, William Pate ya ƙirƙira kuma ya ba da izinin hular kwalbar haƙori 24. Hul ɗin haƙori 24 ya kasance matsayin masana'antu har zuwa kusan 1930s.
Bayan bullowar na’urori masu sarrafa kansu, an sanya hular kwalbar a cikin wani bututu ta atomatik, amma a kan aiwatar da amfani da hular mai hakora 24, an gano cewa yana da matukar sauki wajen toshe bututun na’urar da ke cikawa ta atomatik, daga karshe kuma a hankali aka daidaita ta daidai gwargwado ta yau mai dauke da hakora 21.
Beer ya ƙunshi babban adadin carbon dioxide, kuma akwai buƙatun asali guda biyu don hular, ɗayan hatimi mai kyau ne, ɗayan kuma shine yana da takamaiman matakin ɓoyewa, wanda galibi ana kiransa hula mai ƙarfi. Wannan yana nufin cewa adadin lambobi a cikin kowane hula ya kamata ya zama daidai da wurin lamba na bakin kwalban don tabbatar da cewa yanki na lamba na kowane nau'i na iya zama mafi girma, kuma cewa hatimin wavy a waje na hular duka yana ƙaruwa kuma yana sauƙaƙe buɗewa, tare da hular kwalban 21-haƙori shine mafi kyawun zaɓi don saduwa da waɗannan buƙatun guda biyu.
Kuma wani dalili da ya sa adadin serations a kan hular ya kasance 21 yana da alaƙa da mabuɗin kwalban. Beer yana dauke da iskar gas mai yawa, don haka idan an bude shi ba daidai ba, yana da sauƙin cutar da mutane. Bayan da sabuwar dabara na kwalban mabudin m bude kwalban hula, da kuma ta hanyar saw hakora kullum gyaggyarawa, kuma a karshe ƙaddara cewa kwalban hula ga 21-hakora kwalban hula, bude shi ne mafi sauki da kuma safest, don haka a yau za ka ga duk giya kwalban iyakoki suna da 21 serations.
Lokacin aikawa: Nov-02-2023