Nhoroondo pfupi yekucheka kongiri uye pliers
| Mabviro ewaya ekucheka kongiri uye mapiresi anogona kurondwa kumashure kwekupera kwezana ramakore rechi 19, nguva pfupi mushure mekusimbiswa kwekongiri nzira dzakashandiswa. . | |
| Kunyangwe paive nezvimwe zvivakwa zvekare, senge chivakwa chepasi-chakaumbwa nesimbi, Shrewsbury Linen Mill yakavakwa muna 1797, iyo yakashandisa simbi mukuvaka kwayo, uye zvivakwa zvakazoitwa nekongiri yakasimbiswa, havana kushandisa simbi dzakamonwa, dzakasungwa. pamwe chete kupa kongiri kusimbisa. |
 | MuRungu Ernest L. Ransom ndiye akatanga kushandisa nzira iyi paakagadzira mabhiriji maviri muSan Francisco muna 1886. Composite, iyo inoshandisa simbi dzakamonwa, yave ichishandiswa muzvivako zvakawanda uye zvivakwa uye zvichida inonyanya kuzivikanwa nekushandiswa kwayo mukuvaka. skyscrapers. |
 | Apo simbi yesimbi yakatanga kumonywa uye kusungirirwa pamwe chete sesimbisiro yekongiri, maturusi akaita sepuranga uye mapire ekuchekeresa aishandiswa kumonya nekucheka waya yaibata simbi yacho. |
 | Sezvo kushandiswa kwekongiri yakasimbiswa kwakawedzera uye tsika yekusunga rebar yakawedzera, zvishandiso izvi zvakagadziridzwa kuita kuti basa rekumonyorora nekucheka waya rikurumidze uye rive nyore, saka vanocheka waya nevacheki waya vakagadzirwa. |
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