Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Babban kararrawa, wanda aka sani da Great Bell amma aka fi sani da Big Ben, shi ne kararrawa mafi girma a cikin hasumiya kuma wani ɓangare na Babban Agogon Westminster. Sauti ne na E-na halitta.Kwallon na asali ya kasance kararrawar sa'a 16 (16.3-ton), wanda aka jefa a ranar 6 ga Agusta 1856 a Stockton-on-Tees ta John Warner & Sons. Ana tunanin cewa an fara kiran kararrawar Victoria ko Royal Victoria don girmamawa ga Sarauniya Victoria, amma wani dan majalisa ya ba da shawarar sunan kararrawar yanzu na "Big Ben" yayin muhawarar Majalisar; ba a rubuta wannan bayanin a cikin Hansard ba.Tun da ba a gama hasumiyar ba, an saka kararrawar a New Palace Yard amma, yayin gwaji ya fashe ba tare da gyarawa ba kuma dole ne a maye gurbinsa. An sake yin kararrawa a ranar 10 ga Afrilu 1858 a Whitechapel Bell Foundry a matsayin kararrawa mai nauyin tan 131/2 (tan 13.76). An kwashe kararrawa ta biyu daga ginin zuwa hasumiya a kan keken da aka ja da dawakai goma sha shida, tare da taron jama'a suna murna da ci gabanta; sannan aka ja shi 200 ft (61.0 m) har zuwa hasumiyar kararrawa ta Hasumiyar Tsaro, aikin da ya ɗauki awanni 18. Tsawonsa ya kai kafa 7 da inci 6 (2.29 m) kuma diamita ya kai kafa 9 (2.74 m). Wannan sabon kararrawa ya fara bugawa a watan Yuli na shekara ta 1859; a watan Satumba shi ma ya karye a ƙarƙashin guduma. A cewar manajan ginin, George Mears, Denison mai aikin agogo ya yi amfani da guduma fiye da sau biyu na iyakar nauyin da aka ƙayyade. An cire Big Ben daga aiki na shekara uku kuma an buga sa'o'i a ƙaramin ƙararrawa har sai an gyara shi. Don yin gyare-gyare, an cire wani yanki na karfe daga gefen da ke kewaye da fashewa, kuma an ba da kararrawa kashi takwas na juyawa don haka sabon guduma ya buga a wani wuri daban. Big Ben ya yi sautin da ya ɗan bambanta tun daga lokacin, kuma har yanzu ana amfani da shi a yau tare da fashewar da ba a gyara ba. Big Ben shine kararrawa mafi girma a Tsibirin Burtaniya har sai "Babban Bulus", kararrawa mai nauyin ton 163/4 (17 ton) a halin yanzu yana rataye a cikin St Paul's Cathedral, an jefa shi a cikin 1881.  Tambaya: Yaushe aka sake jefa kwallon?
10 ga Afrilu 1858