Tarihin giya yana da tsawo. Giya mafi kyau ya bayyana kusan 3000 BC. Kamfanin ya kakkarsu a Farisa. A wancan lokacin, giya bai ma da kumfa ba, balle kwalba. Hakanan yana tare da cigaban tarihin tarihin cewa a cikin karni na 7 na shekaru, an fara siye da giya a cikin gilashin gilashi.
Daga farkon, mutane sarkar suna tunanin cewa gilashin yana da kore - duk gilashi. Misali, kwalabe na tawada, kwalabe na liƙa, har ma da taga suna duk kore, kuma, ba shakka, kwalabe giya.
Saboda tsarin masana'antu na farko shine m, yana da wuya a cire ƙazanta kamar ferrous a wannan lokacin ya kasance kore.
Tabbas, lokutan suna haɓaka koyaushe, kuma tsarin masana'antu ya inganta. Lokacin da impurities a cikin gilashin za a iya cire, kwalban giya har yanzu kore. Me yasa? Wannan saboda aiwatar da cire abubuwa gaba daya yana da tsada sosai, kuma irin wannan abu mai samarwa kamar kwalban giya ba shakka bai cancanci babban farashi ba. Kuma mafi mahimmanci, an samo kwalabe na kore don jinkirin bashin giya.
Hakan yana da kyau, don haka a ƙarshen karni na 19, kodayake yana yiwuwa a sanya share fili ba tare da ƙazanta ba, mutane har yanzu suna ƙware a cikin kwalabe gilashi na giya.
Koyaya, hanyar yin watsi da kwalban kore baiyi da kyau sosai. Beer shine a zahiri mafi "tsoro" na haske. Tallafin hasken rana na dogon lokaci zai haifar da karuwar kwatsam a cikin mai hauhawar mai siyarwa a cikin giya, Oxalone, amma ta hanyar hanzarta samuwar riboflavin. Menene riboflavin? Yana da alaƙa da wani abu da ake kira "Isoalpha acid" don samar da rashin lafiya amma mai ƙanshi mai ƙanshi.
Wato a ce, giya mai sauki ce ta haskaka da dandano yayin da aka fallasa hasken rana.
Saboda wannan, a cikin 1930s, kwalban kore yana da kishir - kwalban launin ruwan kasa. Lokaci-lokaci, wani ya gano cewa amfani da kwalabe na launin ruwan kasa don shirya giya na giya fiye da yadda ya dace, saboda giya a cikin kwalbar ta fi kyau a cikin inganci da ɗanɗano. Don haka daga baya, kwalabe mai launin fata a hankali ya karu.
Lokaci: Mayu-27-2022