Kunyange zvazvo vatsvakurudzi vachibvumirana kuti kubuda kwezino kwakaoma kunzwisisa, pane kubvumirana kushoma pamusoro pechirongwa chinodzora kubuda kwezino. Dzimwe dzidziso dzakajairika dzakarambwa nekufamba kwenguva dzinosanganisira: (1) zino rinosundirwa kumusoro mumuromo nekukura kwemudzi wezino, (2) zino rinosundirwa kumusoro nekukura kwepfupa rakakomberedza zino, (3) zino rinosundirwa kumusoro nekumanikidzwa kwemidziyo, uye (4) zino rinosundirwa kumusoro ne cushioned hammock. Iyo cushioned hammock dzidziso, yakatanga kupihwa naHarry Sicher, yakadzidziswa zvakanyanya kubva kuma1930 kusvika kuma1950.
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