Rubuta ci gaba don wannan sakin layi - Tsarin gine-ginen ya ƙunshi nau'i-nau'i bakwai na bangon bangon triangular ko prisms; nau'i na waje shine mafi ƙanƙanta a tsawo amma mafi girma a cikin span, nau'i-nau'i na ciki suna canza canjin su a hankali kuma nau'i na ciki yana samar da maɗaukakiyar ma'anar gine-ginen. Kowane ɗayan waɗannan nau'i-nau'i bakwai na ganuwar suna wakiltar wani babi mai mahimmanci a tarihin Bangladesh, wato Harkar Harshe a shekarar 1952, nasarar zaben lardin 1954 na United Front a shekarar 1954, Tsarin Mulki a shekarar 1956, yunkurin adawa da Hukumar Ilimi a shekarar 1962, yunkurin maki shida a shekarar 1966, Tashin hankali a shekarar 1969, kuma a karshe babban taron yakin neman 'yanci a shekarar 1971.
, ta hanyar da Bangladesh ta zama ƙasa mai cin gashin kanta.