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 kansa, an sanya hular kwalbar a cikin bututu ta atomatik, amma a cikin aiwatar da amfani da hular haƙori 24, an gano cewa yana da sauƙin toshe bututun na'urar ta atomatik, kuma a ƙarshe a hankali an daidaita shi zuwa daidaitaccen ma'aunin. hular kwalbar hakora 21 na yau.
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 lallausan da ke cikin kowace hula ya kamata ya yi daidai da wurin tuntuɓar bakin kwalbar don tabbatar da cewa wurin tuntuɓar kowane nau'i na iya zama mafi girma, kuma hatimin wavy a waje na hular duka yana ƙaruwa. gogayya da sauƙaƙe buɗewa, tare da hular kwalbar haƙori 21 shine mafi kyawun zaɓi don biyan waɗannan buƙatu 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 zartar da bude kwalban hula, da kuma ta wurin gani hakora kullum gyara, da 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 Gilashin kwalban giya yana da serrations 21.
Lokacin aikawa: Nov-02-2023